9173840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8821}}^1$

素因数の和:8847

約数の個数: 40

約数和(自身を含む): 22972488

約数和(自身を除く): 13798648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 8821, 17642, 35284, 44105, 70568, 88210, 114673, 141136, 176420, 229346, 352840, 458692, 573365, 705680, 917384, 1146730, 1834768, 2293460, 4586920, 9173840]

約数ペア:

[(1, 9173840), (2, 4586920), (4, 2293460), (5, 1834768), (8, 1146730), (10, 917384), (13, 705680), (16, 573365), (20, 458692), (26, 352840), (40, 229346), (52, 176420), (65, 141136), (80, 114673), (104, 88210), (130, 70568), (208, 44105), (260, 35284), (520, 17642), (1040, 8821)]