425513448520

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{20340031}}^1$

素因数の和:20340565

約数の個数: 32

約数和(自身を含む): 959235909120

約数和(自身を除く): 533722460600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 5230, 10460, 20920, 20340031, 40680062, 81360124, 101700155, 162720248, 203400310, 406800620, 813601240, 10637836213, 21275672426, 42551344852, 53189181065, 85102689704, 106378362130, 212756724260, 425513448520]

約数ペア:

[(1, 425513448520), (2, 212756724260), (4, 106378362130), (5, 85102689704), (8, 53189181065), (10, 42551344852), (20, 21275672426), (40, 10637836213), (523, 813601240), (1046, 406800620), (2092, 203400310), (2615, 162720248), (4184, 101700155), (5230, 81360124), (10460, 40680062), (20920, 20340031)]