136931720

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{17923}}^1$

素因数の和:18125

約数の個数: 32

約数和(自身を含む): 309726720

約数和(自身を除く): 172795000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 17923, 35846, 71692, 89615, 143384, 179230, 358460, 716920, 3423293, 6846586, 13693172, 17116465, 27386344, 34232930, 68465860, 136931720]

約数ペア:

[(1, 136931720), (2, 68465860), (4, 34232930), (5, 27386344), (8, 17116465), (10, 13693172), (20, 6846586), (40, 3423293), (191, 716920), (382, 358460), (764, 179230), (955, 143384), (1528, 89615), (1910, 71692), (3820, 35846), (7640, 17923)]