9999440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1033}}^1$

素因数の和:1068

約数の個数: 60

約数和(自身を含む): 25579092

約数和(自身を除く): 15579652

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1033, 1210, 1936, 2066, 2420, 4132, 4840, 5165, 8264, 9680, 10330, 11363, 16528, 20660, 22726, 41320, 45452, 56815, 82640, 90904, 113630, 124993, 181808, 227260, 249986, 454520, 499972, 624965, 909040, 999944, 1249930, 1999888, 2499860, 4999720, 9999440]

約数ペア:

[(1, 9999440), (2, 4999720), (4, 2499860), (5, 1999888), (8, 1249930), (10, 999944), (11, 909040), (16, 624965), (20, 499972), (22, 454520), (40, 249986), (44, 227260), (55, 181808), (80, 124993), (88, 113630), (110, 90904), (121, 82640), (176, 56815), (220, 45452), (242, 41320), (440, 22726), (484, 20660), (605, 16528), (880, 11363), (968, 10330), (1033, 9680), (1210, 8264), (1936, 5165), (2066, 4840), (2420, 4132)]