12613900

素因数分解:

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

素因数の和:371

約数の個数: 72

約数和(自身を含む): 30525824

約数和(自身を除く): 17911924

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 313, 325, 403, 620, 626, 650, 775, 806, 1252, 1300, 1550, 1565, 1612, 2015, 3100, 3130, 4030, 4069, 6260, 7825, 8060, 8138, 9703, 10075, 15650, 16276, 19406, 20150, 20345, 31300, 38812, 40300, 40690, 48515, 81380, 97030, 101725, 126139, 194060, 203450, 242575, 252278, 406900, 485150, 504556, 630695, 970300, 1261390, 2522780, 3153475, 6306950, 12613900]

約数ペア:

[(1, 12613900), (2, 6306950), (4, 3153475), (5, 2522780), (10, 1261390), (13, 970300), (20, 630695), (25, 504556), (26, 485150), (31, 406900), (50, 252278), (52, 242575), (62, 203450), (65, 194060), (100, 126139), (124, 101725), (130, 97030), (155, 81380), (260, 48515), (310, 40690), (313, 40300), (325, 38812), (403, 31300), (620, 20345), (626, 20150), (650, 19406), (775, 16276), (806, 15650), (1252, 10075), (1300, 9703), (1550, 8138), (1565, 8060), (1612, 7825), (2015, 6260), (3100, 4069), (3130, 4030)]