99440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1$

素因数の和:137

約数の個数: 40

約数和(自身を含む): 254448

約数和(自身を除く): 155008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 113, 176, 220, 226, 440, 452, 565, 880, 904, 1130, 1243, 1808, 2260, 2486, 4520, 4972, 6215, 9040, 9944, 12430, 19888, 24860, 49720, 99440]

約数ペア:

[(1, 99440), (2, 49720), (4, 24860), (5, 19888), (8, 12430), (10, 9944), (11, 9040), (16, 6215), (20, 4972), (22, 4520), (40, 2486), (44, 2260), (55, 1808), (80, 1243), (88, 1130), (110, 904), (113, 880), (176, 565), (220, 452), (226, 440)]