2540850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1303}}^1$

素因数の和:1331

約数の個数: 48

約数和(自身を含む): 6791232

約数和(自身を除く): 4250382

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1303, 1950, 2606, 3909, 6515, 7818, 13030, 16939, 19545, 32575, 33878, 39090, 50817, 65150, 84695, 97725, 101634, 169390, 195450, 254085, 423475, 508170, 846950, 1270425, 2540850]

約数ペア:

[(1, 2540850), (2, 1270425), (3, 846950), (5, 508170), (6, 423475), (10, 254085), (13, 195450), (15, 169390), (25, 101634), (26, 97725), (30, 84695), (39, 65150), (50, 50817), (65, 39090), (75, 33878), (78, 32575), (130, 19545), (150, 16939), (195, 13030), (325, 7818), (390, 6515), (650, 3909), (975, 2606), (1303, 1950)]