16650620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5171}}^1$

素因数の和:5210

約数の個数: 48

約数和(自身を含む): 41707008

約数和(自身を除く): 25056388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 5171, 10342, 20684, 25855, 36197, 51710, 72394, 103420, 118933, 144788, 180985, 237866, 361970, 475732, 594665, 723940, 832531, 1189330, 1665062, 2378660, 3330124, 4162655, 8325310, 16650620]

約数ペア:

[(1, 16650620), (2, 8325310), (4, 4162655), (5, 3330124), (7, 2378660), (10, 1665062), (14, 1189330), (20, 832531), (23, 723940), (28, 594665), (35, 475732), (46, 361970), (70, 237866), (92, 180985), (115, 144788), (140, 118933), (161, 103420), (230, 72394), (322, 51710), (460, 36197), (644, 25855), (805, 20684), (1610, 10342), (3220, 5171)]