90508720

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{14321}}^1$

素因数の和:14413

約数の個数: 40

約数和(自身を含む): 213111360

約数和(自身を除く): 122602640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 14321, 28642, 57284, 71605, 114568, 143210, 229136, 286420, 572840, 1131359, 1145680, 2262718, 4525436, 5656795, 9050872, 11313590, 18101744, 22627180, 45254360, 90508720]

約数ペア:

[(1, 90508720), (2, 45254360), (4, 22627180), (5, 18101744), (8, 11313590), (10, 9050872), (16, 5656795), (20, 4525436), (40, 2262718), (79, 1145680), (80, 1131359), (158, 572840), (316, 286420), (395, 229136), (632, 143210), (790, 114568), (1264, 71605), (1580, 57284), (3160, 28642), (6320, 14321)]