40021980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{35107}}^1$

素因数の和:35138

約数の個数: 48

約数和(自身を含む): 117962880

約数和(自身を除く): 77940900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 35107, 70214, 105321, 140428, 175535, 210642, 351070, 421284, 526605, 667033, 702140, 1053210, 1334066, 2001099, 2106420, 2668132, 3335165, 4002198, 6670330, 8004396, 10005495, 13340660, 20010990, 40021980]

約数ペア:

[(1, 40021980), (2, 20010990), (3, 13340660), (4, 10005495), (5, 8004396), (6, 6670330), (10, 4002198), (12, 3335165), (15, 2668132), (19, 2106420), (20, 2001099), (30, 1334066), (38, 1053210), (57, 702140), (60, 667033), (76, 526605), (95, 421284), (114, 351070), (190, 210642), (228, 175535), (285, 140428), (380, 105321), (570, 70214), (1140, 35107)]