201519160

素因数分解:

$2^3\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{2609}}^1$

素因数の和:4551

約数の個数: 32

約数和(自身を含む): 453826800

約数和(自身を除く): 252307640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1931, 2609, 3862, 5218, 7724, 9655, 10436, 13045, 15448, 19310, 20872, 26090, 38620, 52180, 77240, 104360, 5037979, 10075958, 20151916, 25189895, 40303832, 50379790, 100759580, 201519160]

約数ペア:

[(1, 201519160), (2, 100759580), (4, 50379790), (5, 40303832), (8, 25189895), (10, 20151916), (20, 10075958), (40, 5037979), (1931, 104360), (2609, 77240), (3862, 52180), (5218, 38620), (7724, 26090), (9655, 20872), (10436, 19310), (13045, 15448)]