11888840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 28522800

約数和(自身を除く): 16633960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 58, 74, 116, 145, 148, 185, 232, 277, 290, 296, 370, 554, 580, 740, 1073, 1108, 1160, 1385, 1480, 2146, 2216, 2770, 4292, 5365, 5540, 8033, 8584, 10249, 10730, 11080, 16066, 20498, 21460, 32132, 40165, 40996, 42920, 51245, 64264, 80330, 81992, 102490, 160660, 204980, 297221, 321320, 409960, 594442, 1188884, 1486105, 2377768, 2972210, 5944420, 11888840]

約数ペア:

[(1, 11888840), (2, 5944420), (4, 2972210), (5, 2377768), (8, 1486105), (10, 1188884), (20, 594442), (29, 409960), (37, 321320), (40, 297221), (58, 204980), (74, 160660), (116, 102490), (145, 81992), (148, 80330), (185, 64264), (232, 51245), (277, 42920), (290, 40996), (296, 40165), (370, 32132), (554, 21460), (580, 20498), (740, 16066), (1073, 11080), (1108, 10730), (1160, 10249), (1385, 8584), (1480, 8033), (2146, 5540), (2216, 5365), (2770, 4292)]