3920920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1181}}^1$

素因数の和:1275

約数の個数: 32

約数和(自身を含む): 8935920

約数和(自身を除く): 5015000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1181, 1660, 2362, 3320, 4724, 5905, 9448, 11810, 23620, 47240, 98023, 196046, 392092, 490115, 784184, 980230, 1960460, 3920920]

約数ペア:

[(1, 3920920), (2, 1960460), (4, 980230), (5, 784184), (8, 490115), (10, 392092), (20, 196046), (40, 98023), (83, 47240), (166, 23620), (332, 11810), (415, 9448), (664, 5905), (830, 4724), (1181, 3320), (1660, 2362)]