220948160

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22273}}^1$

素因数の和:22321

約数の個数: 56

約数和(自身を含む): 543129216

約数和(自身を除く): 322181056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 22273, 44546, 89092, 111365, 178184, 222730, 356368, 445460, 690463, 712736, 890920, 1380926, 1425472, 1781840, 2761852, 3452315, 3563680, 5523704, 6904630, 7127360, 11047408, 13809260, 22094816, 27618520, 44189632, 55237040, 110474080, 220948160]

約数ペア:

[(1, 220948160), (2, 110474080), (4, 55237040), (5, 44189632), (8, 27618520), (10, 22094816), (16, 13809260), (20, 11047408), (31, 7127360), (32, 6904630), (40, 5523704), (62, 3563680), (64, 3452315), (80, 2761852), (124, 1781840), (155, 1425472), (160, 1380926), (248, 890920), (310, 712736), (320, 690463), (496, 445460), (620, 356368), (992, 222730), (1240, 178184), (1984, 111365), (2480, 89092), (4960, 44546), (9920, 22273)]