82199680

素因数分解:

$2^7\times 5^1\times {\mathrm{128437}}^1$

素因数の和:128456

約数の個数: 32

約数和(自身を含む): 196510140

約数和(自身を除く): 114310460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 128437, 256874, 513748, 642185, 1027496, 1284370, 2054992, 2568740, 4109984, 5137480, 8219968, 10274960, 16439936, 20549920, 41099840, 82199680]

約数ペア:

[(1, 82199680), (2, 41099840), (4, 20549920), (5, 16439936), (8, 10274960), (10, 8219968), (16, 5137480), (20, 4109984), (32, 2568740), (40, 2054992), (64, 1284370), (80, 1027496), (128, 642185), (160, 513748), (320, 256874), (640, 128437)]