90807340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4421}}^1$

素因数の和:4522

約数の個数: 48

約数和(自身を含む): 208010880

約数和(自身を除く): 117203540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 4421, 5135, 8842, 10270, 17684, 20540, 22105, 44210, 57473, 88420, 114946, 229892, 287365, 349259, 574730, 698518, 1149460, 1397036, 1746295, 3492590, 4540367, 6985180, 9080734, 18161468, 22701835, 45403670, 90807340]

約数ペア:

[(1, 90807340), (2, 45403670), (4, 22701835), (5, 18161468), (10, 9080734), (13, 6985180), (20, 4540367), (26, 3492590), (52, 1746295), (65, 1397036), (79, 1149460), (130, 698518), (158, 574730), (260, 349259), (316, 287365), (395, 229892), (790, 114946), (1027, 88420), (1580, 57473), (2054, 44210), (4108, 22105), (4421, 20540), (5135, 17684), (8842, 10270)]