16335980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2089}}^1$

素因数の和:2138

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 21584980

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 2089, 3910, 4178, 7820, 8356, 10445, 20890, 35513, 41780, 48047, 71026, 96094, 142052, 177565, 192188, 240235, 355130, 480470, 710260, 816799, 960940, 1633598, 3267196, 4083995, 8167990, 16335980]

約数ペア:

[(1, 16335980), (2, 8167990), (4, 4083995), (5, 3267196), (10, 1633598), (17, 960940), (20, 816799), (23, 710260), (34, 480470), (46, 355130), (68, 240235), (85, 192188), (92, 177565), (115, 142052), (170, 96094), (230, 71026), (340, 48047), (391, 41780), (460, 35513), (782, 20890), (1564, 10445), (1955, 8356), (2089, 7820), (3910, 4178)]