55704920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81919}}^1$

素因数の和:81947

約数の個数: 32

約数和(自身を含む): 132710400

約数和(自身を除く): 77005480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 81919, 163838, 327676, 409595, 655352, 819190, 1392623, 1638380, 2785246, 3276760, 5570492, 6963115, 11140984, 13926230, 27852460, 55704920]

約数ペア:

[(1, 55704920), (2, 27852460), (4, 13926230), (5, 11140984), (8, 6963115), (10, 5570492), (17, 3276760), (20, 2785246), (34, 1638380), (40, 1392623), (68, 819190), (85, 655352), (136, 409595), (170, 327676), (340, 163838), (680, 81919)]