201420920

素因数分解:

$2^3\times 5^1\times {\mathrm{1583}}^1\times {\mathrm{3181}}^1$

素因数の和:4775

約数の個数: 32

約数和(自身を含む): 453625920

約数和(自身を除く): 252205000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1583, 3166, 3181, 6332, 6362, 7915, 12664, 12724, 15830, 15905, 25448, 31660, 31810, 63320, 63620, 127240, 5035523, 10071046, 20142092, 25177615, 40284184, 50355230, 100710460, 201420920]

約数ペア:

[(1, 201420920), (2, 100710460), (4, 50355230), (5, 40284184), (8, 25177615), (10, 20142092), (20, 10071046), (40, 5035523), (1583, 127240), (3166, 63620), (3181, 63320), (6332, 31810), (6362, 31660), (7915, 25448), (12664, 15905), (12724, 15830)]