2855840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1373}}^1$

素因数の和:1401

約数の個数: 48

約数和(自身を含む): 7271208

約数和(自身を除く): 4415368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 1373, 2080, 2746, 5492, 6865, 10984, 13730, 17849, 21968, 27460, 35698, 43936, 54920, 71396, 89245, 109840, 142792, 178490, 219680, 285584, 356980, 571168, 713960, 1427920, 2855840]

約数ペア:

[(1, 2855840), (2, 1427920), (4, 713960), (5, 571168), (8, 356980), (10, 285584), (13, 219680), (16, 178490), (20, 142792), (26, 109840), (32, 89245), (40, 71396), (52, 54920), (65, 43936), (80, 35698), (104, 27460), (130, 21968), (160, 17849), (208, 13730), (260, 10984), (416, 6865), (520, 5492), (1040, 2746), (1373, 2080)]