13395980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{769}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 30787680

約数和(自身を除く): 17391700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 769, 871, 1340, 1538, 1742, 3076, 3484, 3845, 4355, 7690, 8710, 9997, 15380, 17420, 19994, 39988, 49985, 51523, 99970, 103046, 199940, 206092, 257615, 515230, 669799, 1030460, 1339598, 2679196, 3348995, 6697990, 13395980]

約数ペア:

[(1, 13395980), (2, 6697990), (4, 3348995), (5, 2679196), (10, 1339598), (13, 1030460), (20, 669799), (26, 515230), (52, 257615), (65, 206092), (67, 199940), (130, 103046), (134, 99970), (260, 51523), (268, 49985), (335, 39988), (670, 19994), (769, 17420), (871, 15380), (1340, 9997), (1538, 8710), (1742, 7690), (3076, 4355), (3484, 3845)]