28871560

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{3779}}^1$

素因数の和:3981

約数の個数: 32

約数和(自身を含む): 65318400

約数和(自身を除く): 36446840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3779, 3820, 7558, 7640, 15116, 18895, 30232, 37790, 75580, 151160, 721789, 1443578, 2887156, 3608945, 5774312, 7217890, 14435780, 28871560]

約数ペア:

[(1, 28871560), (2, 14435780), (4, 7217890), (5, 5774312), (8, 3608945), (10, 2887156), (20, 1443578), (40, 721789), (191, 151160), (382, 75580), (764, 37790), (955, 30232), (1528, 18895), (1910, 15116), (3779, 7640), (3820, 7558)]