78997960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53377}}^1$

素因数の和:53425

約数の個数: 32

約数和(自身を含む): 182552760

約数和(自身を除く): 103554800

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 53377, 106754, 213508, 266885, 427016, 533770, 1067540, 1974949, 2135080, 3949898, 7899796, 9874745, 15799592, 19749490, 39498980, 78997960]

約数ペア:

[(1, 78997960), (2, 39498980), (4, 19749490), (5, 15799592), (8, 9874745), (10, 7899796), (20, 3949898), (37, 2135080), (40, 1974949), (74, 1067540), (148, 533770), (185, 427016), (296, 266885), (370, 213508), (740, 106754), (1480, 53377)]