203194940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{781519}}^1$

素因数の和:781541

約数の個数: 24

約数和(自身を含む): 459533760

約数和(自身を除く): 256338820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 781519, 1563038, 3126076, 3907595, 7815190, 10159747, 15630380, 20319494, 40638988, 50798735, 101597470, 203194940]

約数ペア:

[(1, 203194940), (2, 101597470), (4, 50798735), (5, 40638988), (10, 20319494), (13, 15630380), (20, 10159747), (26, 7815190), (52, 3907595), (65, 3126076), (130, 1563038), (260, 781519)]