89181620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{3719}}^1$

素因数の和:3848

約数の個数: 48

約数和(自身を含む): 206236800

約数和(自身を除く): 117055180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 3719, 4796, 5995, 7438, 11990, 14876, 18595, 23980, 37190, 40909, 74380, 81818, 163636, 204545, 405371, 409090, 810742, 818180, 1621484, 2026855, 4053710, 4459081, 8107420, 8918162, 17836324, 22295405, 44590810, 89181620]

約数ペア:

[(1, 89181620), (2, 44590810), (4, 22295405), (5, 17836324), (10, 8918162), (11, 8107420), (20, 4459081), (22, 4053710), (44, 2026855), (55, 1621484), (109, 818180), (110, 810742), (218, 409090), (220, 405371), (436, 204545), (545, 163636), (1090, 81818), (1199, 74380), (2180, 40909), (2398, 37190), (3719, 23980), (4796, 18595), (5995, 14876), (7438, 11990)]