12667760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{22621}}^1$

素因数の和:22641

約数の個数: 40

約数和(自身を含む): 33661536

約数和(自身を除く): 20993776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 22621, 45242, 90484, 113105, 158347, 180968, 226210, 316694, 361936, 452420, 633388, 791735, 904840, 1266776, 1583470, 1809680, 2533552, 3166940, 6333880, 12667760]

約数ペア:

[(1, 12667760), (2, 6333880), (4, 3166940), (5, 2533552), (7, 1809680), (8, 1583470), (10, 1266776), (14, 904840), (16, 791735), (20, 633388), (28, 452420), (35, 361936), (40, 316694), (56, 226210), (70, 180968), (80, 158347), (112, 113105), (140, 90484), (280, 45242), (560, 22621)]