28793960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55373}}^1$

素因数の和:55397

約数の個数: 32

約数和(自身を含む): 69771240

約数和(自身を除く): 40977280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 55373, 110746, 221492, 276865, 442984, 553730, 719849, 1107460, 1439698, 2214920, 2879396, 3599245, 5758792, 7198490, 14396980, 28793960]

約数ペア:

[(1, 28793960), (2, 14396980), (4, 7198490), (5, 5758792), (8, 3599245), (10, 2879396), (13, 2214920), (20, 1439698), (26, 1107460), (40, 719849), (52, 553730), (65, 442984), (104, 276865), (130, 221492), (260, 110746), (520, 55373)]