1427920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1373}}^1$

素因数の和:1399

約数の個数: 40

約数和(自身を含む): 3577896

約数和(自身を除く): 2149976

約数列:

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

約数ペア:

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