72171220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{328051}}^1$

素因数の和:328071

約数の個数: 24

約数和(自身を含む): 165338208

約数和(自身を除く): 93166988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 328051, 656102, 1312204, 1640255, 3280510, 3608561, 6561020, 7217122, 14434244, 18042805, 36085610, 72171220]

約数ペア:

[(1, 72171220), (2, 36085610), (4, 18042805), (5, 14434244), (10, 7217122), (11, 6561020), (20, 3608561), (22, 3280510), (44, 1640255), (55, 1312204), (110, 656102), (220, 328051)]