68640910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{853}}^1$

素因数の和:1492

約数の個数: 32

約数和(自身を含む): 133428960

約数和(自身を除く): 64788050

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 619, 853, 1238, 1706, 3095, 4265, 6190, 8047, 8530, 11089, 16094, 22178, 40235, 55445, 80470, 110890, 528007, 1056014, 2640035, 5280070, 6864091, 13728182, 34320455, 68640910]

約数ペア:

[(1, 68640910), (2, 34320455), (5, 13728182), (10, 6864091), (13, 5280070), (26, 2640035), (65, 1056014), (130, 528007), (619, 110890), (853, 80470), (1238, 55445), (1706, 40235), (3095, 22178), (4265, 16094), (6190, 11089), (8047, 8530)]