25141120

素因数分解:

$2^7\times 5^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 60722640

約数和(自身を除く): 35581520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 241, 320, 326, 482, 640, 652, 815, 964, 1205, 1304, 1630, 1928, 2410, 2608, 3260, 3856, 4820, 5216, 6520, 7712, 9640, 10432, 13040, 15424, 19280, 20864, 26080, 30848, 38560, 39283, 52160, 77120, 78566, 104320, 154240, 157132, 196415, 314264, 392830, 628528, 785660, 1257056, 1571320, 2514112, 3142640, 5028224, 6285280, 12570560, 25141120]

約数ペア:

[(1, 25141120), (2, 12570560), (4, 6285280), (5, 5028224), (8, 3142640), (10, 2514112), (16, 1571320), (20, 1257056), (32, 785660), (40, 628528), (64, 392830), (80, 314264), (128, 196415), (160, 157132), (163, 154240), (241, 104320), (320, 78566), (326, 77120), (482, 52160), (640, 39283), (652, 38560), (815, 30848), (964, 26080), (1205, 20864), (1304, 19280), (1630, 15424), (1928, 13040), (2410, 10432), (2608, 9640), (3260, 7712), (3856, 6520), (4820, 5216)]