23027420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2857}}^1$

素因数の和:2910

約数の個数: 48

約数和(自身を含む): 53776128

約数和(自身を除く): 30748708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 2857, 4030, 5714, 8060, 11428, 14285, 28570, 37141, 57140, 74282, 88567, 148564, 177134, 185705, 354268, 371410, 442835, 742820, 885670, 1151371, 1771340, 2302742, 4605484, 5756855, 11513710, 23027420]

約数ペア:

[(1, 23027420), (2, 11513710), (4, 5756855), (5, 4605484), (10, 2302742), (13, 1771340), (20, 1151371), (26, 885670), (31, 742820), (52, 442835), (62, 371410), (65, 354268), (124, 185705), (130, 177134), (155, 148564), (260, 88567), (310, 74282), (403, 57140), (620, 37141), (806, 28570), (1612, 14285), (2015, 11428), (2857, 8060), (4030, 5714)]