8001620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{983}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 18845568

約数和(自身を除く): 10843948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 983, 1628, 1966, 2035, 3932, 4070, 4915, 8140, 9830, 10813, 19660, 21626, 36371, 43252, 54065, 72742, 108130, 145484, 181855, 216260, 363710, 400081, 727420, 800162, 1600324, 2000405, 4000810, 8001620]

約数ペア:

[(1, 8001620), (2, 4000810), (4, 2000405), (5, 1600324), (10, 800162), (11, 727420), (20, 400081), (22, 363710), (37, 216260), (44, 181855), (55, 145484), (74, 108130), (110, 72742), (148, 54065), (185, 43252), (220, 36371), (370, 21626), (407, 19660), (740, 10813), (814, 9830), (983, 8140), (1628, 4915), (1966, 4070), (2035, 3932)]