42781450

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^2\times {\mathrm{509}}^1$

素因数の和:603

約数の個数: 36

約数和(自身を含む): 81721890

約数和(自身を除く): 38940440

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 509, 1018, 1025, 1681, 2050, 2545, 3362, 5090, 8405, 12725, 16810, 20869, 25450, 41738, 42025, 84050, 104345, 208690, 521725, 855629, 1043450, 1711258, 4278145, 8556290, 21390725, 42781450]

約数ペア:

[(1, 42781450), (2, 21390725), (5, 8556290), (10, 4278145), (25, 1711258), (41, 1043450), (50, 855629), (82, 521725), (205, 208690), (410, 104345), (509, 84050), (1018, 42025), (1025, 41738), (1681, 25450), (2050, 20869), (2545, 16810), (3362, 12725), (5090, 8405)]