140904520

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{18443}}^1$

素因数の和:18645

約数の個数: 32

約数和(自身を含む): 318712320

約数和(自身を除く): 177807800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 18443, 36886, 73772, 92215, 147544, 184430, 368860, 737720, 3522613, 7045226, 14090452, 17613065, 28180904, 35226130, 70452260, 140904520]

約数ペア:

[(1, 140904520), (2, 70452260), (4, 35226130), (5, 28180904), (8, 17613065), (10, 14090452), (20, 7045226), (40, 3522613), (191, 737720), (382, 368860), (764, 184430), (955, 147544), (1528, 92215), (1910, 73772), (3820, 36886), (7640, 18443)]