16355560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 40279680

約数和(自身を除く): 23924120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 443, 520, 568, 710, 886, 923, 1420, 1772, 1846, 2215, 2840, 3544, 3692, 4430, 4615, 5759, 7384, 8860, 9230, 11518, 17720, 18460, 23036, 28795, 31453, 36920, 46072, 57590, 62906, 115180, 125812, 157265, 230360, 251624, 314530, 408889, 629060, 817778, 1258120, 1635556, 2044445, 3271112, 4088890, 8177780, 16355560]

約数ペア:

[(1, 16355560), (2, 8177780), (4, 4088890), (5, 3271112), (8, 2044445), (10, 1635556), (13, 1258120), (20, 817778), (26, 629060), (40, 408889), (52, 314530), (65, 251624), (71, 230360), (104, 157265), (130, 125812), (142, 115180), (260, 62906), (284, 57590), (355, 46072), (443, 36920), (520, 31453), (568, 28795), (710, 23036), (886, 18460), (923, 17720), (1420, 11518), (1772, 9230), (1846, 8860), (2215, 7384), (2840, 5759), (3544, 4615), (3692, 4430)]