271960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 660240

約数和(自身を除く): 388280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 523, 1046, 2092, 2615, 4184, 5230, 6799, 10460, 13598, 20920, 27196, 33995, 54392, 67990, 135980, 271960]

約数ペア:

[(1, 271960), (2, 135980), (4, 67990), (5, 54392), (8, 33995), (10, 27196), (13, 20920), (20, 13598), (26, 10460), (40, 6799), (52, 5230), (65, 4184), (104, 2615), (130, 2092), (260, 1046), (520, 523)]