12664540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{12923}}^1$

素因数の和:12946

約数の個数: 36

約数和(自身を含む): 30940056

約数和(自身を除く): 18275516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 12923, 25846, 51692, 64615, 90461, 129230, 180922, 258460, 361844, 452305, 633227, 904610, 1266454, 1809220, 2532908, 3166135, 6332270, 12664540]

約数ペア:

[(1, 12664540), (2, 6332270), (4, 3166135), (5, 2532908), (7, 1809220), (10, 1266454), (14, 904610), (20, 633227), (28, 452305), (35, 361844), (49, 258460), (70, 180922), (98, 129230), (140, 90461), (196, 64615), (245, 51692), (490, 25846), (980, 12923)]