1564940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{463}}^1$

素因数の和:498

約数の個数: 36

約数和(自身を含む): 3566304

約数和(自身を除く): 2001364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 463, 676, 845, 926, 1690, 1852, 2315, 3380, 4630, 6019, 9260, 12038, 24076, 30095, 60190, 78247, 120380, 156494, 312988, 391235, 782470, 1564940]

約数ペア:

[(1, 1564940), (2, 782470), (4, 391235), (5, 312988), (10, 156494), (13, 120380), (20, 78247), (26, 60190), (52, 30095), (65, 24076), (130, 12038), (169, 9260), (260, 6019), (338, 4630), (463, 3380), (676, 2315), (845, 1852), (926, 1690)]