25989736

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 28442264

約数列:

[1, 2, 4, 8, 17, 34, 41, 59, 68, 79, 82, 118, 136, 158, 164, 236, 316, 328, 472, 632, 697, 1003, 1343, 1394, 2006, 2419, 2686, 2788, 3239, 4012, 4661, 4838, 5372, 5576, 6478, 8024, 9322, 9676, 10744, 12956, 18644, 19352, 25912, 37288, 41123, 55063, 79237, 82246, 110126, 158474, 164492, 191101, 220252, 316948, 328984, 382202, 440504, 633896, 764404, 1528808, 3248717, 6497434, 12994868, 25989736]

約数ペア:

[(1, 25989736), (2, 12994868), (4, 6497434), (8, 3248717), (17, 1528808), (34, 764404), (41, 633896), (59, 440504), (68, 382202), (79, 328984), (82, 316948), (118, 220252), (136, 191101), (158, 164492), (164, 158474), (236, 110126), (316, 82246), (328, 79237), (472, 55063), (632, 41123), (697, 37288), (1003, 25912), (1343, 19352), (1394, 18644), (2006, 12956), (2419, 10744), (2686, 9676), (2788, 9322), (3239, 8024), (4012, 6478), (4661, 5576), (4838, 5372)]