15878920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{10729}}^1$

素因数の和:10777

約数の個数: 32

約数和(自身を含む): 36696600

約数和(自身を除く): 20817680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 10729, 21458, 42916, 53645, 85832, 107290, 214580, 396973, 429160, 793946, 1587892, 1984865, 3175784, 3969730, 7939460, 15878920]

約数ペア:

[(1, 15878920), (2, 7939460), (4, 3969730), (5, 3175784), (8, 1984865), (10, 1587892), (20, 793946), (37, 429160), (40, 396973), (74, 214580), (148, 107290), (185, 85832), (296, 53645), (370, 42916), (740, 21458), (1480, 10729)]