25972480

素因数分解:

$2^8\times 5^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 63135072

約数和(自身を除く): 37162592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 197, 206, 256, 320, 394, 412, 515, 640, 788, 824, 985, 1030, 1280, 1576, 1648, 1970, 2060, 3152, 3296, 3940, 4120, 6304, 6592, 7880, 8240, 12608, 13184, 15760, 16480, 20291, 25216, 26368, 31520, 32960, 40582, 50432, 63040, 65920, 81164, 101455, 126080, 131840, 162328, 202910, 252160, 324656, 405820, 649312, 811640, 1298624, 1623280, 2597248, 3246560, 5194496, 6493120, 12986240, 25972480]

約数ペア:

[(1, 25972480), (2, 12986240), (4, 6493120), (5, 5194496), (8, 3246560), (10, 2597248), (16, 1623280), (20, 1298624), (32, 811640), (40, 649312), (64, 405820), (80, 324656), (103, 252160), (128, 202910), (160, 162328), (197, 131840), (206, 126080), (256, 101455), (320, 81164), (394, 65920), (412, 63040), (515, 50432), (640, 40582), (788, 32960), (824, 31520), (985, 26368), (1030, 25216), (1280, 20291), (1576, 16480), (1648, 15760), (1970, 13184), (2060, 12608), (3152, 8240), (3296, 7880), (3940, 6592), (4120, 6304)]