8489902480

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{5227}}^1$

素因数の和:5576

約数の個数: 80

約数和(自身を含む): 20070501120

約数和(自身を除く): 11580598640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 257, 316, 395, 514, 632, 790, 1028, 1264, 1285, 1580, 2056, 2570, 3160, 4112, 5140, 5227, 6320, 10280, 10454, 20303, 20560, 20908, 26135, 40606, 41816, 52270, 81212, 83632, 101515, 104540, 162424, 203030, 209080, 324848, 406060, 412933, 418160, 812120, 825866, 1343339, 1624240, 1651732, 2064665, 2686678, 3303464, 4129330, 5373356, 6606928, 6716695, 8258660, 10746712, 13433390, 16517320, 21493424, 26866780, 33034640, 53733560, 106123781, 107467120, 212247562, 424495124, 530618905, 848990248, 1061237810, 1697980496, 2122475620, 4244951240, 8489902480]

約数ペア:

[(1, 8489902480), (2, 4244951240), (4, 2122475620), (5, 1697980496), (8, 1061237810), (10, 848990248), (16, 530618905), (20, 424495124), (40, 212247562), (79, 107467120), (80, 106123781), (158, 53733560), (257, 33034640), (316, 26866780), (395, 21493424), (514, 16517320), (632, 13433390), (790, 10746712), (1028, 8258660), (1264, 6716695), (1285, 6606928), (1580, 5373356), (2056, 4129330), (2570, 3303464), (3160, 2686678), (4112, 2064665), (5140, 1651732), (5227, 1624240), (6320, 1343339), (10280, 825866), (10454, 812120), (20303, 418160), (20560, 412933), (20908, 406060), (26135, 324848), (40606, 209080), (41816, 203030), (52270, 162424), (81212, 104540), (83632, 101515)]