16653980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2531}}^1$

素因数の和:2594

約数の個数: 48

約数和(自身を含む): 40836096

約数和(自身を除く): 24182116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2531, 3290, 5062, 6580, 10124, 12655, 17717, 25310, 35434, 50620, 70868, 88585, 118957, 177170, 237914, 354340, 475828, 594785, 832699, 1189570, 1665398, 2379140, 3330796, 4163495, 8326990, 16653980]

約数ペア:

[(1, 16653980), (2, 8326990), (4, 4163495), (5, 3330796), (7, 2379140), (10, 1665398), (14, 1189570), (20, 832699), (28, 594785), (35, 475828), (47, 354340), (70, 237914), (94, 177170), (140, 118957), (188, 88585), (235, 70868), (329, 50620), (470, 35434), (658, 25310), (940, 17717), (1316, 12655), (1645, 10124), (2531, 6580), (3290, 5062)]