40038520

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1753}}^1$

素因数の和:2335

約数の個数: 32

約数和(自身を含む): 90295920

約数和(自身を除く): 50257400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 1753, 2284, 2855, 3506, 4568, 5710, 7012, 8765, 11420, 14024, 17530, 22840, 35060, 70120, 1000963, 2001926, 4003852, 5004815, 8007704, 10009630, 20019260, 40038520]

約数ペア:

[(1, 40038520), (2, 20019260), (4, 10009630), (5, 8007704), (8, 5004815), (10, 4003852), (20, 2001926), (40, 1000963), (571, 70120), (1142, 35060), (1753, 22840), (2284, 17530), (2855, 14024), (3506, 11420), (4568, 8765), (5710, 7012)]