13156480

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 32062680

約数和(自身を除く): 18906200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 337, 488, 610, 640, 674, 976, 1220, 1348, 1685, 1952, 2440, 2696, 3370, 3904, 4880, 5392, 6740, 7808, 9760, 10784, 13480, 19520, 20557, 21568, 26960, 39040, 41114, 43136, 53920, 82228, 102785, 107840, 164456, 205570, 215680, 328912, 411140, 657824, 822280, 1315648, 1644560, 2631296, 3289120, 6578240, 13156480]

約数ペア:

[(1, 13156480), (2, 6578240), (4, 3289120), (5, 2631296), (8, 1644560), (10, 1315648), (16, 822280), (20, 657824), (32, 411140), (40, 328912), (61, 215680), (64, 205570), (80, 164456), (122, 107840), (128, 102785), (160, 82228), (244, 53920), (305, 43136), (320, 41114), (337, 39040), (488, 26960), (610, 21568), (640, 20557), (674, 19520), (976, 13480), (1220, 10784), (1348, 9760), (1685, 7808), (1952, 6740), (2440, 5392), (2696, 4880), (3370, 3904)]