28190500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4337}}^1$

素因数の和:4369

約数の個数: 48

約数和(自身を含む): 66319344

約数和(自身を除く): 38128844

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 4337, 6500, 8674, 17348, 21685, 43370, 56381, 86740, 108425, 112762, 216850, 225524, 281905, 433700, 542125, 563810, 1084250, 1127620, 1409525, 2168500, 2819050, 5638100, 7047625, 14095250, 28190500]

約数ペア:

[(1, 28190500), (2, 14095250), (4, 7047625), (5, 5638100), (10, 2819050), (13, 2168500), (20, 1409525), (25, 1127620), (26, 1084250), (50, 563810), (52, 542125), (65, 433700), (100, 281905), (125, 225524), (130, 216850), (250, 112762), (260, 108425), (325, 86740), (500, 56381), (650, 43370), (1300, 21685), (1625, 17348), (3250, 8674), (4337, 6500)]