80464150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{123791}}^1$

素因数の和:123816

約数の個数: 24

約数和(自身を含む): 161177184

約数和(自身を除く): 80713034

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 123791, 247582, 618955, 1237910, 1609283, 3094775, 3218566, 6189550, 8046415, 16092830, 40232075, 80464150]

約数ペア:

[(1, 80464150), (2, 40232075), (5, 16092830), (10, 8046415), (13, 6189550), (25, 3218566), (26, 3094775), (50, 1609283), (65, 1237910), (130, 618955), (325, 247582), (650, 123791)]