11516620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 25280640

約数和(自身を除く): 13764020

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 79, 148, 158, 185, 197, 316, 370, 394, 395, 740, 788, 790, 985, 1580, 1970, 2923, 3940, 5846, 7289, 11692, 14578, 14615, 15563, 29156, 29230, 31126, 36445, 58460, 62252, 72890, 77815, 145780, 155630, 311260, 575831, 1151662, 2303324, 2879155, 5758310, 11516620]

約数ペア:

[(1, 11516620), (2, 5758310), (4, 2879155), (5, 2303324), (10, 1151662), (20, 575831), (37, 311260), (74, 155630), (79, 145780), (148, 77815), (158, 72890), (185, 62252), (197, 58460), (316, 36445), (370, 31126), (394, 29230), (395, 29156), (740, 15563), (788, 14615), (790, 14578), (985, 11692), (1580, 7289), (1970, 5846), (2923, 3940)]