90388520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{48079}}^1$

素因数の和:48137

約数の個数: 32

約数和(自身を含む): 207705600

約数和(自身を除く): 117317080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 48079, 96158, 192316, 240395, 384632, 480790, 961580, 1923160, 2259713, 4519426, 9038852, 11298565, 18077704, 22597130, 45194260, 90388520]

約数ペア:

[(1, 90388520), (2, 45194260), (4, 22597130), (5, 18077704), (8, 11298565), (10, 9038852), (20, 4519426), (40, 2259713), (47, 1923160), (94, 961580), (188, 480790), (235, 384632), (376, 240395), (470, 192316), (940, 96158), (1880, 48079)]