25335520

素因数分解:

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

素因数の和:22643

約数の個数: 48

約数和(自身を含む): 68408928

約数和(自身を除く): 43073408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 22621, 45242, 90484, 113105, 158347, 180968, 226210, 316694, 361936, 452420, 633388, 723872, 791735, 904840, 1266776, 1583470, 1809680, 2533552, 3166940, 3619360, 5067104, 6333880, 12667760, 25335520]

約数ペア:

[(1, 25335520), (2, 12667760), (4, 6333880), (5, 5067104), (7, 3619360), (8, 3166940), (10, 2533552), (14, 1809680), (16, 1583470), (20, 1266776), (28, 904840), (32, 791735), (35, 723872), (40, 633388), (56, 452420), (70, 361936), (80, 316694), (112, 226210), (140, 180968), (160, 158347), (224, 113105), (280, 90484), (560, 45242), (1120, 22621)]