26980980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34591}}^1$

素因数の和:34616

約数の個数: 48

約数和(自身を含む): 81360384

約数和(自身を除く): 54379404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 34591, 69182, 103773, 138364, 172955, 207546, 345910, 415092, 449683, 518865, 691820, 899366, 1037730, 1349049, 1798732, 2075460, 2248415, 2698098, 4496830, 5396196, 6745245, 8993660, 13490490, 26980980]

約数ペア:

[(1, 26980980), (2, 13490490), (3, 8993660), (4, 6745245), (5, 5396196), (6, 4496830), (10, 2698098), (12, 2248415), (13, 2075460), (15, 1798732), (20, 1349049), (26, 1037730), (30, 899366), (39, 691820), (52, 518865), (60, 449683), (65, 415092), (78, 345910), (130, 207546), (156, 172955), (195, 138364), (260, 103773), (390, 69182), (780, 34591)]