13288780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 29062656

約数和(自身を除く): 15773876

約数列:

[1, 2, 4, 5, 10, 20, 47, 67, 94, 134, 188, 211, 235, 268, 335, 422, 470, 670, 844, 940, 1055, 1340, 2110, 3149, 4220, 6298, 9917, 12596, 14137, 15745, 19834, 28274, 31490, 39668, 49585, 56548, 62980, 70685, 99170, 141370, 198340, 282740, 664439, 1328878, 2657756, 3322195, 6644390, 13288780]

約数ペア:

[(1, 13288780), (2, 6644390), (4, 3322195), (5, 2657756), (10, 1328878), (20, 664439), (47, 282740), (67, 198340), (94, 141370), (134, 99170), (188, 70685), (211, 62980), (235, 56548), (268, 49585), (335, 39668), (422, 31490), (470, 28274), (670, 19834), (844, 15745), (940, 14137), (1055, 12596), (1340, 9917), (2110, 6298), (3149, 4220)]