8380180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6869}}^1$

素因数の和:6939

約数の個数: 24

約数和(自身を含む): 17889480

約数和(自身を除く): 9509300

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 6869, 13738, 27476, 34345, 68690, 137380, 419009, 838018, 1676036, 2095045, 4190090, 8380180]

約数ペア:

[(1, 8380180), (2, 4190090), (4, 2095045), (5, 1676036), (10, 838018), (20, 419009), (61, 137380), (122, 68690), (244, 34345), (305, 27476), (610, 13738), (1220, 6869)]