201427880

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{63743}}^1$

素因数の和:63833

約数の個数: 32

約数和(自身を含む): 458956800

約数和(自身を除く): 257528920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 63743, 127486, 254972, 318715, 509944, 637430, 1274860, 2549720, 5035697, 10071394, 20142788, 25178485, 40285576, 50356970, 100713940, 201427880]

約数ペア:

[(1, 201427880), (2, 100713940), (4, 50356970), (5, 40285576), (8, 25178485), (10, 20142788), (20, 10071394), (40, 5035697), (79, 2549720), (158, 1274860), (316, 637430), (395, 509944), (632, 318715), (790, 254972), (1580, 127486), (3160, 63743)]