15409840

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2713}}^1$

素因数の和:2797

約数の個数: 40

約数和(自身を含む): 36345888

約数和(自身を除く): 20936048

約数列:

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

約数ペア:

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