7880720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4283}}^1$

素因数の和:4319

約数の個数: 40

約数和(自身を含む): 19123776

約数和(自身を除く): 11243056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 4283, 8566, 17132, 21415, 34264, 42830, 68528, 85660, 98509, 171320, 197018, 342640, 394036, 492545, 788072, 985090, 1576144, 1970180, 3940360, 7880720]

約数ペア:

[(1, 7880720), (2, 3940360), (4, 1970180), (5, 1576144), (8, 985090), (10, 788072), (16, 492545), (20, 394036), (23, 342640), (40, 197018), (46, 171320), (80, 98509), (92, 85660), (115, 68528), (184, 42830), (230, 34264), (368, 21415), (460, 17132), (920, 8566), (1840, 4283)]