2522780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 5908224

約数和(自身を除く): 3385444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 313, 403, 620, 626, 806, 1252, 1565, 1612, 2015, 3130, 4030, 4069, 6260, 8060, 8138, 9703, 16276, 19406, 20345, 38812, 40690, 48515, 81380, 97030, 126139, 194060, 252278, 504556, 630695, 1261390, 2522780]

約数ペア:

[(1, 2522780), (2, 1261390), (4, 630695), (5, 504556), (10, 252278), (13, 194060), (20, 126139), (26, 97030), (31, 81380), (52, 48515), (62, 40690), (65, 38812), (124, 20345), (130, 19406), (155, 16276), (260, 9703), (310, 8138), (313, 8060), (403, 6260), (620, 4069), (626, 4030), (806, 3130), (1252, 2015), (1565, 1612)]