16512980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1597}}^1$

素因数の和:1664

約数の個数: 48

約数和(自身を含む): 38658816

約数和(自身を除く): 22145836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 1597, 2068, 2585, 3194, 5170, 6388, 7985, 10340, 15970, 17567, 31940, 35134, 70268, 75059, 87835, 150118, 175670, 300236, 351340, 375295, 750590, 825649, 1501180, 1651298, 3302596, 4128245, 8256490, 16512980]

約数ペア:

[(1, 16512980), (2, 8256490), (4, 4128245), (5, 3302596), (10, 1651298), (11, 1501180), (20, 825649), (22, 750590), (44, 375295), (47, 351340), (55, 300236), (94, 175670), (110, 150118), (188, 87835), (220, 75059), (235, 70268), (470, 35134), (517, 31940), (940, 17567), (1034, 15970), (1597, 10340), (2068, 7985), (2585, 6388), (3194, 5170)]