25281856

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1223}}^1$

素因数の和:1271

約数の個数: 56

約数和(自身を含む): 55961280

約数和(自身を除く): 30679424

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1088, 1216, 1223, 1292, 2446, 2584, 4892, 5168, 9784, 10336, 19568, 20672, 20791, 23237, 39136, 41582, 46474, 78272, 83164, 92948, 166328, 185896, 332656, 371792, 395029, 665312, 743584, 790058, 1330624, 1487168, 1580116, 3160232, 6320464, 12640928, 25281856]

約数ペア:

[(1, 25281856), (2, 12640928), (4, 6320464), (8, 3160232), (16, 1580116), (17, 1487168), (19, 1330624), (32, 790058), (34, 743584), (38, 665312), (64, 395029), (68, 371792), (76, 332656), (136, 185896), (152, 166328), (272, 92948), (304, 83164), (323, 78272), (544, 46474), (608, 41582), (646, 39136), (1088, 23237), (1216, 20791), (1223, 20672), (1292, 19568), (2446, 10336), (2584, 9784), (4892, 5168)]