23620760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 56263680

約数和(自身を除く): 32642920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 443, 620, 860, 886, 1240, 1333, 1720, 1772, 2215, 2666, 3544, 4430, 5332, 6665, 8860, 10664, 13330, 13733, 17720, 19049, 26660, 27466, 38098, 53320, 54932, 68665, 76196, 95245, 109864, 137330, 152392, 190490, 274660, 380980, 549320, 590519, 761960, 1181038, 2362076, 2952595, 4724152, 5905190, 11810380, 23620760]

約数ペア:

[(1, 23620760), (2, 11810380), (4, 5905190), (5, 4724152), (8, 2952595), (10, 2362076), (20, 1181038), (31, 761960), (40, 590519), (43, 549320), (62, 380980), (86, 274660), (124, 190490), (155, 152392), (172, 137330), (215, 109864), (248, 95245), (310, 76196), (344, 68665), (430, 54932), (443, 53320), (620, 38098), (860, 27466), (886, 26660), (1240, 19049), (1333, 17720), (1720, 13733), (1772, 13330), (2215, 10664), (2666, 8860), (3544, 6665), (4430, 5332)]