855585250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{263257}}^1$

素因数の和:263287

約数の個数: 32

約数和(自身を含む): 1724866416

約数和(自身を除く): 869281166

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 263257, 526514, 1316285, 2632570, 3422341, 6581425, 6844682, 13162850, 17111705, 32907125, 34223410, 65814250, 85558525, 171117050, 427792625, 855585250]

約数ペア:

[(1, 855585250), (2, 427792625), (5, 171117050), (10, 85558525), (13, 65814250), (25, 34223410), (26, 32907125), (50, 17111705), (65, 13162850), (125, 6844682), (130, 6581425), (250, 3422341), (325, 2632570), (650, 1316285), (1625, 526514), (3250, 263257)]