40000002832

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{599}}^1$

素因数の和:813

約数の個数: 120

約数和(自身を含む): 82892462400

約数和(自身を除く): 42892459568

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 101, 124, 172, 202, 248, 344, 404, 496, 599, 688, 808, 961, 1198, 1333, 1616, 1922, 2396, 2666, 3131, 3844, 4343, 4792, 5332, 6262, 7688, 8686, 9584, 10664, 12524, 15376, 17372, 18569, 21328, 25048, 25757, 34744, 37138, 41323, 50096, 51514, 60499, 69488, 74276, 82646, 97061, 103028, 120998, 134633, 148552, 165292, 194122, 206056, 241996, 269266, 297104, 330584, 388244, 412112, 483992, 538532, 575639, 661168, 776488, 798467, 967984, 1077064, 1151278, 1552976, 1596934, 1875469, 2154128, 2302556, 2601457, 3193868, 3750938, 4173623, 4605112, 5202914, 6387736, 7501876, 8347246, 9210224, 10405828, 12775472, 15003752, 16694492, 20811656, 24752477, 30007504, 33388984, 41623312, 49504954, 58139539, 66777968, 80645167, 99009908, 116279078, 161290334, 198019816, 232558156, 322580668, 396039632, 465116312, 645161336, 930232624, 1290322672, 2500000177, 5000000354, 10000000708, 20000001416, 40000002832]

約数ペア:

[(1, 40000002832), (2, 20000001416), (4, 10000000708), (8, 5000000354), (16, 2500000177), (31, 1290322672), (43, 930232624), (62, 645161336), (86, 465116312), (101, 396039632), (124, 322580668), (172, 232558156), (202, 198019816), (248, 161290334), (344, 116279078), (404, 99009908), (496, 80645167), (599, 66777968), (688, 58139539), (808, 49504954), (961, 41623312), (1198, 33388984), (1333, 30007504), (1616, 24752477), (1922, 20811656), (2396, 16694492), (2666, 15003752), (3131, 12775472), (3844, 10405828), (4343, 9210224), (4792, 8347246), (5332, 7501876), (6262, 6387736), (7688, 5202914), (8686, 4605112), (9584, 4173623), (10664, 3750938), (12524, 3193868), (15376, 2601457), (17372, 2302556), (18569, 2154128), (21328, 1875469), (25048, 1596934), (25757, 1552976), (34744, 1151278), (37138, 1077064), (41323, 967984), (50096, 798467), (51514, 776488), (60499, 661168), (69488, 575639), (74276, 538532), (82646, 483992), (97061, 412112), (103028, 388244), (120998, 330584), (134633, 297104), (148552, 269266), (165292, 241996), (194122, 206056)]