68247140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{262489}}^1$

素因数の和:262511

約数の個数: 24

約数和(自身を含む): 154344120

約数和(自身を除く): 86096980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 262489, 524978, 1049956, 1312445, 2624890, 3412357, 5249780, 6824714, 13649428, 17061785, 34123570, 68247140]

約数ペア:

[(1, 68247140), (2, 34123570), (4, 17061785), (5, 13649428), (10, 6824714), (13, 5249780), (20, 3412357), (26, 2624890), (52, 1312445), (65, 1049956), (130, 524978), (260, 262489)]