81061450

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1019}}^1$

素因数の和:1111

約数の個数: 48

約数和(自身を含む): 158605920

約数和(自身を除く): 77544470

約数列:

[1, 2, 5, 10, 25, 37, 43, 50, 74, 86, 185, 215, 370, 430, 925, 1019, 1075, 1591, 1850, 2038, 2150, 3182, 5095, 7955, 10190, 15910, 25475, 37703, 39775, 43817, 50950, 75406, 79550, 87634, 188515, 219085, 377030, 438170, 942575, 1095425, 1621229, 1885150, 2190850, 3242458, 8106145, 16212290, 40530725, 81061450]

約数ペア:

[(1, 81061450), (2, 40530725), (5, 16212290), (10, 8106145), (25, 3242458), (37, 2190850), (43, 1885150), (50, 1621229), (74, 1095425), (86, 942575), (185, 438170), (215, 377030), (370, 219085), (430, 188515), (925, 87634), (1019, 79550), (1075, 75406), (1591, 50950), (1850, 43817), (2038, 39775), (2150, 37703), (3182, 25475), (5095, 15910), (7955, 10190)]