4537780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 10612224

約数和(自身を除く): 6074444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 563, 620, 806, 1126, 1612, 2015, 2252, 2815, 4030, 5630, 7319, 8060, 11260, 14638, 17453, 29276, 34906, 36595, 69812, 73190, 87265, 146380, 174530, 226889, 349060, 453778, 907556, 1134445, 2268890, 4537780]

約数ペア:

[(1, 4537780), (2, 2268890), (4, 1134445), (5, 907556), (10, 453778), (13, 349060), (20, 226889), (26, 174530), (31, 146380), (52, 87265), (62, 73190), (65, 69812), (124, 36595), (130, 34906), (155, 29276), (260, 17453), (310, 14638), (403, 11260), (563, 8060), (620, 7319), (806, 5630), (1126, 4030), (1612, 2815), (2015, 2252)]