138210006520

素因数分解:

$2^3\times 5^1\times {\mathrm{3455250163}}^1$

素因数の和:3455250174

約数の個数: 16

約数和(自身を含む): 310972514760

約数和(自身を除く): 172762508240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3455250163, 6910500326, 13821000652, 17276250815, 27642001304, 34552501630, 69105003260, 138210006520]

約数ペア:

[(1, 138210006520), (2, 69105003260), (4, 34552501630), (5, 27642001304), (8, 17276250815), (10, 13821000652), (20, 6910500326), (40, 3455250163)]