207856120

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{12343}}^1$

素因数の和:12775

約数の個数: 32

約数和(自身を含む): 468825120

約数和(自身を除く): 260969000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 8420, 12343, 16840, 24686, 49372, 61715, 98744, 123430, 246860, 493720, 5196403, 10392806, 20785612, 25982015, 41571224, 51964030, 103928060, 207856120]

約数ペア:

[(1, 207856120), (2, 103928060), (4, 51964030), (5, 41571224), (8, 25982015), (10, 20785612), (20, 10392806), (40, 5196403), (421, 493720), (842, 246860), (1684, 123430), (2105, 98744), (3368, 61715), (4210, 49372), (8420, 24686), (12343, 16840)]