2018784625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{112939}}^1$

素因数の和:112978

約数の個数: 32

約数和(自身を含む): 2959931520

約数和(自身を除く): 941146895

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 715, 1375, 1625, 3575, 17875, 112939, 564695, 1242329, 1468207, 2823475, 6211645, 7341035, 14117375, 16150277, 31058225, 36705175, 80751385, 155291125, 183525875, 403756925, 2018784625]

約数ペア:

[(1, 2018784625), (5, 403756925), (11, 183525875), (13, 155291125), (25, 80751385), (55, 36705175), (65, 31058225), (125, 16150277), (143, 14117375), (275, 7341035), (325, 6211645), (715, 2823475), (1375, 1468207), (1625, 1242329), (3575, 564695), (17875, 112939)]