82643210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20507}}^1$

素因数の和:20558

約数の個数: 32

約数和(自身を含む): 165376512

約数和(自身を除く): 82733302

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 20507, 41014, 102535, 205070, 266591, 533182, 635717, 1271434, 1332955, 2665910, 3178585, 6357170, 8264321, 16528642, 41321605, 82643210]

約数ペア:

[(1, 82643210), (2, 41321605), (5, 16528642), (10, 8264321), (13, 6357170), (26, 3178585), (31, 2665910), (62, 1332955), (65, 1271434), (130, 635717), (155, 533182), (310, 266591), (403, 205070), (806, 102535), (2015, 41014), (4030, 20507)]