201206540

素因数分解:

$2^2\times 5^1\times {\mathrm{1973}}^1\times {\mathrm{5099}}^1$

素因数の和:7081

約数の個数: 24

約数和(自身を含む): 422830800

約数和(自身を除く): 221624260

約数列:

[1, 2, 4, 5, 10, 20, 1973, 3946, 5099, 7892, 9865, 10198, 19730, 20396, 25495, 39460, 50990, 101980, 10060327, 20120654, 40241308, 50301635, 100603270, 201206540]

約数ペア:

[(1, 201206540), (2, 100603270), (4, 50301635), (5, 40241308), (10, 20120654), (20, 10060327), (1973, 101980), (3946, 50990), (5099, 39460), (7892, 25495), (9865, 20396), (10198, 19730)]