77686960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74699}}^1$

素因数の和:74725

約数の個数: 40

約数和(自身を含む): 194518800

約数和(自身を除く): 116831840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 74699, 149398, 298796, 373495, 597592, 746990, 971087, 1195184, 1493980, 1942174, 2987960, 3884348, 4855435, 5975920, 7768696, 9710870, 15537392, 19421740, 38843480, 77686960]

約数ペア:

[(1, 77686960), (2, 38843480), (4, 19421740), (5, 15537392), (8, 9710870), (10, 7768696), (13, 5975920), (16, 4855435), (20, 3884348), (26, 2987960), (40, 1942174), (52, 1493980), (65, 1195184), (80, 971087), (104, 746990), (130, 597592), (208, 373495), (260, 298796), (520, 149398), (1040, 74699)]