65335940

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{39359}}^1$

素因数の和:39451

約数の個数: 24

約数和(自身を含む): 138862080

約数和(自身を除く): 73526140

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 39359, 78718, 157436, 196795, 393590, 787180, 3266797, 6533594, 13067188, 16333985, 32667970, 65335940]

約数ペア:

[(1, 65335940), (2, 32667970), (4, 16333985), (5, 13067188), (10, 6533594), (20, 3266797), (83, 787180), (166, 393590), (332, 196795), (415, 157436), (830, 78718), (1660, 39359)]