77016920

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{7321}}^1$

素因数の和:7595

約数の個数: 32

約数和(自身を含む): 173970720

約数和(自身を除く): 96953800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 7321, 10520, 14642, 29284, 36605, 58568, 73210, 146420, 292840, 1925423, 3850846, 7701692, 9627115, 15403384, 19254230, 38508460, 77016920]

約数ペア:

[(1, 77016920), (2, 38508460), (4, 19254230), (5, 15403384), (8, 9627115), (10, 7701692), (20, 3850846), (40, 1925423), (263, 292840), (526, 146420), (1052, 73210), (1315, 58568), (2104, 36605), (2630, 29284), (5260, 14642), (7321, 10520)]