90159680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21673}}^1$

素因数の和:21703

約数の個数: 56

約数和(自身を含む): 231218232

約数和(自身を除く): 141058552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 21673, 43346, 86692, 108365, 173384, 216730, 281749, 346768, 433460, 563498, 693536, 866920, 1126996, 1387072, 1408745, 1733840, 2253992, 2817490, 3467680, 4507984, 5634980, 6935360, 9015968, 11269960, 18031936, 22539920, 45079840, 90159680]

約数ペア:

[(1, 90159680), (2, 45079840), (4, 22539920), (5, 18031936), (8, 11269960), (10, 9015968), (13, 6935360), (16, 5634980), (20, 4507984), (26, 3467680), (32, 2817490), (40, 2253992), (52, 1733840), (64, 1408745), (65, 1387072), (80, 1126996), (104, 866920), (130, 693536), (160, 563498), (208, 433460), (260, 346768), (320, 281749), (416, 216730), (520, 173384), (832, 108365), (1040, 86692), (2080, 43346), (4160, 21673)]