25617280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3079}}^1$

素因数の和:3111

約数の個数: 64

約数和(自身を含む): 65973600

約数和(自身を除く): 40356320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 3079, 4160, 6158, 8320, 12316, 15395, 24632, 30790, 40027, 49264, 61580, 80054, 98528, 123160, 160108, 197056, 200135, 246320, 320216, 394112, 400270, 492640, 640432, 800540, 985280, 1280864, 1601080, 1970560, 2561728, 3202160, 5123456, 6404320, 12808640, 25617280]

約数ペア:

[(1, 25617280), (2, 12808640), (4, 6404320), (5, 5123456), (8, 3202160), (10, 2561728), (13, 1970560), (16, 1601080), (20, 1280864), (26, 985280), (32, 800540), (40, 640432), (52, 492640), (64, 400270), (65, 394112), (80, 320216), (104, 246320), (128, 200135), (130, 197056), (160, 160108), (208, 123160), (260, 98528), (320, 80054), (416, 61580), (520, 49264), (640, 40027), (832, 30790), (1040, 24632), (1664, 15395), (2080, 12316), (3079, 8320), (4160, 6158)]