13345160

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 31518720

約数和(自身を除く): 18173560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 127, 142, 148, 185, 254, 284, 296, 355, 370, 508, 568, 635, 710, 740, 1016, 1270, 1420, 1480, 2540, 2627, 2840, 4699, 5080, 5254, 9017, 9398, 10508, 13135, 18034, 18796, 21016, 23495, 26270, 36068, 37592, 45085, 46990, 52540, 72136, 90170, 93980, 105080, 180340, 187960, 333629, 360680, 667258, 1334516, 1668145, 2669032, 3336290, 6672580, 13345160]

約数ペア:

[(1, 13345160), (2, 6672580), (4, 3336290), (5, 2669032), (8, 1668145), (10, 1334516), (20, 667258), (37, 360680), (40, 333629), (71, 187960), (74, 180340), (127, 105080), (142, 93980), (148, 90170), (185, 72136), (254, 52540), (284, 46990), (296, 45085), (355, 37592), (370, 36068), (508, 26270), (568, 23495), (635, 21016), (710, 18796), (740, 18034), (1016, 13135), (1270, 10508), (1420, 9398), (1480, 9017), (2540, 5254), (2627, 5080), (2840, 4699)]