15610040

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{983}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 35246880

約数和(自身を除く): 19636840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 983, 1588, 1966, 1985, 3176, 3932, 3970, 4915, 7864, 7940, 9830, 15880, 19660, 39320, 390251, 780502, 1561004, 1951255, 3122008, 3902510, 7805020, 15610040]

約数ペア:

[(1, 15610040), (2, 7805020), (4, 3902510), (5, 3122008), (8, 1951255), (10, 1561004), (20, 780502), (40, 390251), (397, 39320), (794, 19660), (983, 15880), (1588, 9830), (1966, 7940), (1985, 7864), (3176, 4915), (3932, 3970)]