16255580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2054

約数の個数: 48

約数和(自身を含む): 38265696

約数和(自身を除く): 22010116

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 1997, 2035, 3994, 4070, 7988, 8140, 9985, 19970, 21967, 39940, 43934, 73889, 87868, 109835, 147778, 219670, 295556, 369445, 439340, 738890, 812779, 1477780, 1625558, 3251116, 4063895, 8127790, 16255580]

約数ペア:

[(1, 16255580), (2, 8127790), (4, 4063895), (5, 3251116), (10, 1625558), (11, 1477780), (20, 812779), (22, 738890), (37, 439340), (44, 369445), (55, 295556), (74, 219670), (110, 147778), (148, 109835), (185, 87868), (220, 73889), (370, 43934), (407, 39940), (740, 21967), (814, 19970), (1628, 9985), (1997, 8140), (2035, 7988), (3994, 4070)]