78280540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{301079}}^1$

素因数の和:301101

約数の個数: 24

約数和(自身を含む): 177035040

約数和(自身を除く): 98754500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 301079, 602158, 1204316, 1505395, 3010790, 3914027, 6021580, 7828054, 15656108, 19570135, 39140270, 78280540]

約数ペア:

[(1, 78280540), (2, 39140270), (4, 19570135), (5, 15656108), (10, 7828054), (13, 6021580), (20, 3914027), (26, 3010790), (52, 1505395), (65, 1204316), (130, 602158), (260, 301079)]