8454940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1049}}^1$

素因数の和:1102

約数の個数: 48

約数和(自身を含む): 19756800

約数和(自身を除く): 11301860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1049, 1612, 2015, 2098, 4030, 4196, 5245, 8060, 10490, 13637, 20980, 27274, 32519, 54548, 65038, 68185, 130076, 136370, 162595, 272740, 325190, 422747, 650380, 845494, 1690988, 2113735, 4227470, 8454940]

約数ペア:

[(1, 8454940), (2, 4227470), (4, 2113735), (5, 1690988), (10, 845494), (13, 650380), (20, 422747), (26, 325190), (31, 272740), (52, 162595), (62, 136370), (65, 130076), (124, 68185), (130, 65038), (155, 54548), (260, 32519), (310, 27274), (403, 20980), (620, 13637), (806, 10490), (1049, 8060), (1612, 5245), (2015, 4196), (2098, 4030)]