15604940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1277}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 36070272

約数和(自身を除く): 20465332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 1277, 2444, 2554, 3055, 5108, 6110, 6385, 12220, 12770, 16601, 25540, 33202, 60019, 66404, 83005, 120038, 166010, 240076, 300095, 332020, 600190, 780247, 1200380, 1560494, 3120988, 3901235, 7802470, 15604940]

約数ペア:

[(1, 15604940), (2, 7802470), (4, 3901235), (5, 3120988), (10, 1560494), (13, 1200380), (20, 780247), (26, 600190), (47, 332020), (52, 300095), (65, 240076), (94, 166010), (130, 120038), (188, 83005), (235, 66404), (260, 60019), (470, 33202), (611, 25540), (940, 16601), (1222, 12770), (1277, 12220), (2444, 6385), (2554, 6110), (3055, 5108)]