16918240

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2579}}^1$

素因数の和:2635

約数の個数: 48

約数和(自身を含む): 40960080

約数和(自身を除く): 24041840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 2579, 3280, 5158, 6560, 10316, 12895, 20632, 25790, 41264, 51580, 82528, 103160, 105739, 206320, 211478, 412640, 422956, 528695, 845912, 1057390, 1691824, 2114780, 3383648, 4229560, 8459120, 16918240]

約数ペア:

[(1, 16918240), (2, 8459120), (4, 4229560), (5, 3383648), (8, 2114780), (10, 1691824), (16, 1057390), (20, 845912), (32, 528695), (40, 422956), (41, 412640), (80, 211478), (82, 206320), (160, 105739), (164, 103160), (205, 82528), (328, 51580), (410, 41264), (656, 25790), (820, 20632), (1312, 12895), (1640, 10316), (2579, 6560), (3280, 5158)]