25648528

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:535

約数の個数: 40

約数和(自身を含む): 51871680

約数和(自身を除く): 26223152

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 167, 232, 331, 334, 464, 662, 668, 1324, 1336, 2648, 2672, 4843, 5296, 9599, 9686, 19198, 19372, 38396, 38744, 55277, 76792, 77488, 110554, 153584, 221108, 442216, 884432, 1603033, 3206066, 6412132, 12824264, 25648528]

約数ペア:

[(1, 25648528), (2, 12824264), (4, 6412132), (8, 3206066), (16, 1603033), (29, 884432), (58, 442216), (116, 221108), (167, 153584), (232, 110554), (331, 77488), (334, 76792), (464, 55277), (662, 38744), (668, 38396), (1324, 19372), (1336, 19198), (2648, 9686), (2672, 9599), (4843, 5296)]