84487160

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^2\times {\mathrm{419}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 193271400

約数和(自身を除く): 108784240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 419, 568, 710, 838, 1420, 1676, 2095, 2840, 3352, 4190, 5041, 8380, 10082, 16760, 20164, 25205, 29749, 40328, 50410, 59498, 100820, 118996, 148745, 201640, 237992, 297490, 594980, 1189960, 2112179, 4224358, 8448716, 10560895, 16897432, 21121790, 42243580, 84487160]

約数ペア:

[(1, 84487160), (2, 42243580), (4, 21121790), (5, 16897432), (8, 10560895), (10, 8448716), (20, 4224358), (40, 2112179), (71, 1189960), (142, 594980), (284, 297490), (355, 237992), (419, 201640), (568, 148745), (710, 118996), (838, 100820), (1420, 59498), (1676, 50410), (2095, 40328), (2840, 29749), (3352, 25205), (4190, 20164), (5041, 16760), (8380, 10082)]