66458199020

素因数分解:

$2^2\times 5^1\times {\mathrm{3322909951}}^1$

素因数の和:3322909960

約数の個数: 12

約数和(自身を含む): 139562217984

約数和(自身を除く): 73104018964

約数列:

[1, 2, 4, 5, 10, 20, 3322909951, 6645819902, 13291639804, 16614549755, 33229099510, 66458199020]

約数ペア:

[(1, 66458199020), (2, 33229099510), (4, 16614549755), (5, 13291639804), (10, 6645819902), (20, 3322909951)]