13124580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31249}}^1$

素因数の和:31268

約数の個数: 48

約数和(自身を含む): 42000000

約数和(自身を除く): 28875420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 31249, 62498, 93747, 124996, 156245, 187494, 218743, 312490, 374988, 437486, 468735, 624980, 656229, 874972, 937470, 1093715, 1312458, 1874940, 2187430, 2624916, 3281145, 4374860, 6562290, 13124580]

約数ペア:

[(1, 13124580), (2, 6562290), (3, 4374860), (4, 3281145), (5, 2624916), (6, 2187430), (7, 1874940), (10, 1312458), (12, 1093715), (14, 937470), (15, 874972), (20, 656229), (21, 624980), (28, 468735), (30, 437486), (35, 374988), (42, 312490), (60, 218743), (70, 187494), (84, 156245), (105, 124996), (140, 93747), (210, 62498), (420, 31249)]