11453720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 27086400

約数和(自身を除く): 15632680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 109, 142, 148, 185, 218, 284, 296, 355, 370, 436, 545, 568, 710, 740, 872, 1090, 1420, 1480, 2180, 2627, 2840, 4033, 4360, 5254, 7739, 8066, 10508, 13135, 15478, 16132, 20165, 21016, 26270, 30956, 32264, 38695, 40330, 52540, 61912, 77390, 80660, 105080, 154780, 161320, 286343, 309560, 572686, 1145372, 1431715, 2290744, 2863430, 5726860, 11453720]

約数ペア:

[(1, 11453720), (2, 5726860), (4, 2863430), (5, 2290744), (8, 1431715), (10, 1145372), (20, 572686), (37, 309560), (40, 286343), (71, 161320), (74, 154780), (109, 105080), (142, 80660), (148, 77390), (185, 61912), (218, 52540), (284, 40330), (296, 38695), (355, 32264), (370, 30956), (436, 26270), (545, 21016), (568, 20165), (710, 16132), (740, 15478), (872, 13135), (1090, 10508), (1420, 8066), (1480, 7739), (2180, 5254), (2627, 4360), (2840, 4033)]