28232500

素因数分解:

$2^2\times 5^4\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:538

約数の個数: 60

約数和(自身を含む): 64554336

約数和(自身を除く): 36321836

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 230, 250, 460, 491, 500, 575, 625, 982, 1150, 1250, 1964, 2300, 2455, 2500, 2875, 4910, 5750, 9820, 11293, 11500, 12275, 14375, 22586, 24550, 28750, 45172, 49100, 56465, 57500, 61375, 112930, 122750, 225860, 245500, 282325, 306875, 564650, 613750, 1129300, 1227500, 1411625, 2823250, 5646500, 7058125, 14116250, 28232500]

約数ペア:

[(1, 28232500), (2, 14116250), (4, 7058125), (5, 5646500), (10, 2823250), (20, 1411625), (23, 1227500), (25, 1129300), (46, 613750), (50, 564650), (92, 306875), (100, 282325), (115, 245500), (125, 225860), (230, 122750), (250, 112930), (460, 61375), (491, 57500), (500, 56465), (575, 49100), (625, 45172), (982, 28750), (1150, 24550), (1250, 22586), (1964, 14375), (2300, 12275), (2455, 11500), (2500, 11293), (2875, 9820), (4910, 5750)]