1315572520

素因数分解:

$2^3\times 5^1\times {\mathrm{5081}}^1\times {\mathrm{6473}}^1$

素因数の和:11565

約数の個数: 32

約数和(自身を含む): 2961078120

約数和(自身を除く): 1645505600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5081, 6473, 10162, 12946, 20324, 25405, 25892, 32365, 40648, 50810, 51784, 64730, 101620, 129460, 203240, 258920, 32889313, 65778626, 131557252, 164446565, 263114504, 328893130, 657786260, 1315572520]

約数ペア:

[(1, 1315572520), (2, 657786260), (4, 328893130), (5, 263114504), (8, 164446565), (10, 131557252), (20, 65778626), (40, 32889313), (5081, 258920), (6473, 203240), (10162, 129460), (12946, 101620), (20324, 64730), (25405, 51784), (25892, 50810), (32365, 40648)]