128390530

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{4021}}^1$

素因数の和:4162

約数の個数: 32

約数和(自身を含む): 240933888

約数和(自身を除く): 112543358

約数列:

[1, 2, 5, 10, 31, 62, 103, 155, 206, 310, 515, 1030, 3193, 4021, 6386, 8042, 15965, 20105, 31930, 40210, 124651, 249302, 414163, 623255, 828326, 1246510, 2070815, 4141630, 12839053, 25678106, 64195265, 128390530]

約数ペア:

[(1, 128390530), (2, 64195265), (5, 25678106), (10, 12839053), (31, 4141630), (62, 2070815), (103, 1246510), (155, 828326), (206, 623255), (310, 414163), (515, 249302), (1030, 124651), (3193, 40210), (4021, 31930), (6386, 20105), (8042, 15965)]