31234720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17747}}^1$

素因数の和:17773

約数の個数: 48

約数和(自身を含む): 80504928

約数和(自身を除く): 49270208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 17747, 35494, 70988, 88735, 141976, 177470, 195217, 283952, 354940, 390434, 567904, 709880, 780868, 976085, 1419760, 1561736, 1952170, 2839520, 3123472, 3904340, 6246944, 7808680, 15617360, 31234720]

約数ペア:

[(1, 31234720), (2, 15617360), (4, 7808680), (5, 6246944), (8, 3904340), (10, 3123472), (11, 2839520), (16, 1952170), (20, 1561736), (22, 1419760), (32, 976085), (40, 780868), (44, 709880), (55, 567904), (80, 390434), (88, 354940), (110, 283952), (160, 195217), (176, 177470), (220, 141976), (352, 88735), (440, 70988), (880, 35494), (1760, 17747)]