38418920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{30983}}^1$

素因数の和:31025

約数の個数: 32

約数和(自身を含む): 89233920

約数和(自身を除く): 50815000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 30983, 61966, 123932, 154915, 247864, 309830, 619660, 960473, 1239320, 1920946, 3841892, 4802365, 7683784, 9604730, 19209460, 38418920]

約数ペア:

[(1, 38418920), (2, 19209460), (4, 9604730), (5, 7683784), (8, 4802365), (10, 3841892), (20, 1920946), (31, 1239320), (40, 960473), (62, 619660), (124, 309830), (155, 247864), (248, 154915), (310, 123932), (620, 61966), (1240, 30983)]