1057940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{313}}^1$

素因数の和:348

約数の個数: 36

約数和(自身を含む): 2413404

約数和(自身を除く): 1355464

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 313, 338, 626, 676, 845, 1252, 1565, 1690, 3130, 3380, 4069, 6260, 8138, 16276, 20345, 40690, 52897, 81380, 105794, 211588, 264485, 528970, 1057940]

約数ペア:

[(1, 1057940), (2, 528970), (4, 264485), (5, 211588), (10, 105794), (13, 81380), (20, 52897), (26, 40690), (52, 20345), (65, 16276), (130, 8138), (169, 6260), (260, 4069), (313, 3380), (338, 3130), (626, 1690), (676, 1565), (845, 1252)]