31191781520

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3860369}}^1$

素因数の和:3860483

約数の個数: 40

約数和(自身を含む): 73238939640

約数和(自身を除く): 42047158120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 3860369, 7720738, 15441476, 19301845, 30882952, 38603690, 61765904, 77207380, 154414760, 308829520, 389897269, 779794538, 1559589076, 1949486345, 3119178152, 3898972690, 6238356304, 7797945380, 15595890760, 31191781520]

約数ペア:

[(1, 31191781520), (2, 15595890760), (4, 7797945380), (5, 6238356304), (8, 3898972690), (10, 3119178152), (16, 1949486345), (20, 1559589076), (40, 779794538), (80, 389897269), (101, 308829520), (202, 154414760), (404, 77207380), (505, 61765904), (808, 38603690), (1010, 30882952), (1616, 19301845), (2020, 15441476), (4040, 7720738), (8080, 3860369)]