61488680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139747}}^1$

素因数の和:139769

約数の個数: 32

約数和(自身を含む): 150927840

約数和(自身を除く): 89439160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 139747, 279494, 558988, 698735, 1117976, 1397470, 1537217, 2794940, 3074434, 5589880, 6148868, 7686085, 12297736, 15372170, 30744340, 61488680]

約数ペア:

[(1, 61488680), (2, 30744340), (4, 15372170), (5, 12297736), (8, 7686085), (10, 6148868), (11, 5589880), (20, 3074434), (22, 2794940), (40, 1537217), (44, 1397470), (55, 1117976), (88, 698735), (110, 558988), (220, 279494), (440, 139747)]