13257160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 34473600

約数和(自身を除く): 21216440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 419, 452, 565, 791, 838, 904, 1130, 1582, 1676, 2095, 2260, 2933, 3164, 3352, 3955, 4190, 4520, 5866, 6328, 7910, 8380, 11732, 14665, 15820, 16760, 23464, 29330, 31640, 47347, 58660, 94694, 117320, 189388, 236735, 331429, 378776, 473470, 662858, 946940, 1325716, 1657145, 1893880, 2651432, 3314290, 6628580, 13257160]

約数ペア:

[(1, 13257160), (2, 6628580), (4, 3314290), (5, 2651432), (7, 1893880), (8, 1657145), (10, 1325716), (14, 946940), (20, 662858), (28, 473470), (35, 378776), (40, 331429), (56, 236735), (70, 189388), (113, 117320), (140, 94694), (226, 58660), (280, 47347), (419, 31640), (452, 29330), (565, 23464), (791, 16760), (838, 15820), (904, 14665), (1130, 11732), (1582, 8380), (1676, 7910), (2095, 6328), (2260, 5866), (2933, 4520), (3164, 4190), (3352, 3955)]