42011920

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8609}}^1$

素因数の和:8683

約数の個数: 40

約数和(自身を含む): 99290520

約数和(自身を除く): 57278600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 8609, 17218, 34436, 43045, 68872, 86090, 137744, 172180, 344360, 525149, 688720, 1050298, 2100596, 2625745, 4201192, 5251490, 8402384, 10502980, 21005960, 42011920]

約数ペア:

[(1, 42011920), (2, 21005960), (4, 10502980), (5, 8402384), (8, 5251490), (10, 4201192), (16, 2625745), (20, 2100596), (40, 1050298), (61, 688720), (80, 525149), (122, 344360), (244, 172180), (305, 137744), (488, 86090), (610, 68872), (976, 43045), (1220, 34436), (2440, 17218), (4880, 8609)]