16519620

素因数分解:

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

素因数の和:21204

約数の個数: 48

約数和(自身を含む): 49815360

約数和(自身を除く): 33295740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 21179, 42358, 63537, 84716, 105895, 127074, 211790, 254148, 275327, 317685, 423580, 550654, 635370, 825981, 1101308, 1270740, 1376635, 1651962, 2753270, 3303924, 4129905, 5506540, 8259810, 16519620]

約数ペア:

[(1, 16519620), (2, 8259810), (3, 5506540), (4, 4129905), (5, 3303924), (6, 2753270), (10, 1651962), (12, 1376635), (13, 1270740), (15, 1101308), (20, 825981), (26, 635370), (30, 550654), (39, 423580), (52, 317685), (60, 275327), (65, 254148), (78, 211790), (130, 127074), (156, 105895), (195, 84716), (260, 63537), (390, 42358), (780, 21179)]