40707680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19571}}^1$

素因数の和:19599

約数の個数: 48

約数和(自身を含む): 103575024

約数和(自身を除く): 62867344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 19571, 39142, 78284, 97855, 156568, 195710, 254423, 313136, 391420, 508846, 626272, 782840, 1017692, 1272115, 1565680, 2035384, 2544230, 3131360, 4070768, 5088460, 8141536, 10176920, 20353840, 40707680]

約数ペア:

[(1, 40707680), (2, 20353840), (4, 10176920), (5, 8141536), (8, 5088460), (10, 4070768), (13, 3131360), (16, 2544230), (20, 2035384), (26, 1565680), (32, 1272115), (40, 1017692), (52, 782840), (65, 626272), (80, 508846), (104, 391420), (130, 313136), (160, 254423), (208, 195710), (260, 156568), (416, 97855), (520, 78284), (1040, 39142), (2080, 19571)]