30819680

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2713}}^1$

素因数の和:2799

約数の個数: 48

約数和(自身を含む): 73864224

約数和(自身を除く): 43044544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2713, 2840, 5426, 5680, 10852, 11360, 13565, 21704, 27130, 43408, 54260, 86816, 108520, 192623, 217040, 385246, 434080, 770492, 963115, 1540984, 1926230, 3081968, 3852460, 6163936, 7704920, 15409840, 30819680]

約数ペア:

[(1, 30819680), (2, 15409840), (4, 7704920), (5, 6163936), (8, 3852460), (10, 3081968), (16, 1926230), (20, 1540984), (32, 963115), (40, 770492), (71, 434080), (80, 385246), (142, 217040), (160, 192623), (284, 108520), (355, 86816), (568, 54260), (710, 43408), (1136, 27130), (1420, 21704), (2272, 13565), (2713, 11360), (2840, 10852), (5426, 5680)]