1330889320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{468623}}^1$

素因数の和:468705

約数の個数: 32

約数和(自身を含む): 3036683520

約数和(自身を除く): 1705794200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 468623, 937246, 1874492, 2343115, 3748984, 4686230, 9372460, 18744920, 33272233, 66544466, 133088932, 166361165, 266177864, 332722330, 665444660, 1330889320]

約数ペア:

[(1, 1330889320), (2, 665444660), (4, 332722330), (5, 266177864), (8, 166361165), (10, 133088932), (20, 66544466), (40, 33272233), (71, 18744920), (142, 9372460), (284, 4686230), (355, 3748984), (568, 2343115), (710, 1874492), (1420, 937246), (2840, 468623)]