68831750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{21179}}^1$

素因数の和:21209

約数の個数: 32

約数和(自身を含む): 138771360

約数和(自身を除く): 69939610

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 21179, 42358, 105895, 211790, 275327, 529475, 550654, 1058950, 1376635, 2647375, 2753270, 5294750, 6883175, 13766350, 34415875, 68831750]

約数ペア:

[(1, 68831750), (2, 34415875), (5, 13766350), (10, 6883175), (13, 5294750), (25, 2753270), (26, 2647375), (50, 1376635), (65, 1058950), (125, 550654), (130, 529475), (250, 275327), (325, 211790), (650, 105895), (1625, 42358), (3250, 21179)]