30116920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12343}}^1$

素因数の和:12415

約数の個数: 32

約数和(自身を含む): 68879520

約数和(自身を除く): 38762600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 12343, 24686, 49372, 61715, 98744, 123430, 246860, 493720, 752923, 1505846, 3011692, 3764615, 6023384, 7529230, 15058460, 30116920]

約数ペア:

[(1, 30116920), (2, 15058460), (4, 7529230), (5, 6023384), (8, 3764615), (10, 3011692), (20, 1505846), (40, 752923), (61, 493720), (122, 246860), (244, 123430), (305, 98744), (488, 61715), (610, 49372), (1220, 24686), (2440, 12343)]