31419640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{112213}}^1$

素因数の和:112231

約数の個数: 32

約数和(自身を含む): 80794080

約数和(自身を除く): 49374440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 112213, 224426, 448852, 561065, 785491, 897704, 1122130, 1570982, 2244260, 3141964, 3927455, 4488520, 6283928, 7854910, 15709820, 31419640]

約数ペア:

[(1, 31419640), (2, 15709820), (4, 7854910), (5, 6283928), (7, 4488520), (8, 3927455), (10, 3141964), (14, 2244260), (20, 1570982), (28, 1122130), (35, 897704), (40, 785491), (56, 561065), (70, 448852), (140, 224426), (280, 112213)]