28425620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{359}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 62052480

約数和(自身を除く): 33626860

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 107, 148, 185, 214, 359, 370, 428, 535, 718, 740, 1070, 1436, 1795, 2140, 3590, 3959, 7180, 7918, 13283, 15836, 19795, 26566, 38413, 39590, 53132, 66415, 76826, 79180, 132830, 153652, 192065, 265660, 384130, 768260, 1421281, 2842562, 5685124, 7106405, 14212810, 28425620]

約数ペア:

[(1, 28425620), (2, 14212810), (4, 7106405), (5, 5685124), (10, 2842562), (20, 1421281), (37, 768260), (74, 384130), (107, 265660), (148, 192065), (185, 153652), (214, 132830), (359, 79180), (370, 76826), (428, 66415), (535, 53132), (718, 39590), (740, 38413), (1070, 26566), (1436, 19795), (1795, 15836), (2140, 13283), (3590, 7918), (3959, 7180)]