61488040

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{11059}}^1$

素因数の和:11209

約数の個数: 32

約数和(自身を含む): 139356000

約数和(自身を除く): 77867960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 11059, 22118, 44236, 55295, 88472, 110590, 221180, 442360, 1537201, 3074402, 6148804, 7686005, 12297608, 15372010, 30744020, 61488040]

約数ペア:

[(1, 61488040), (2, 30744020), (4, 15372010), (5, 12297608), (8, 7686005), (10, 6148804), (20, 3074402), (40, 1537201), (139, 442360), (278, 221180), (556, 110590), (695, 88472), (1112, 55295), (1390, 44236), (2780, 22118), (5560, 11059)]