65399020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{39397}}^1$

素因数の和:39489

約数の個数: 24

約数和(自身を含む): 138996144

約数和(自身を除く): 73597124

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 39397, 78794, 157588, 196985, 393970, 787940, 3269951, 6539902, 13079804, 16349755, 32699510, 65399020]

約数ペア:

[(1, 65399020), (2, 32699510), (4, 16349755), (5, 13079804), (10, 6539902), (20, 3269951), (83, 787940), (166, 393970), (332, 196985), (415, 157588), (830, 78794), (1660, 39397)]