2012361440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{661961}}^1$

素因数の和:661995

約数の個数: 48

約数和(自身を含む): 5004432720

約数和(自身を除く): 2992071280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 661961, 1323922, 2647844, 3309805, 5295688, 6619610, 10591376, 12577259, 13239220, 21182752, 25154518, 26478440, 50309036, 52956880, 62886295, 100618072, 105913760, 125772590, 201236144, 251545180, 402472288, 503090360, 1006180720, 2012361440]

約数ペア:

[(1, 2012361440), (2, 1006180720), (4, 503090360), (5, 402472288), (8, 251545180), (10, 201236144), (16, 125772590), (19, 105913760), (20, 100618072), (32, 62886295), (38, 52956880), (40, 50309036), (76, 26478440), (80, 25154518), (95, 21182752), (152, 13239220), (160, 12577259), (190, 10591376), (304, 6619610), (380, 5295688), (608, 3309805), (760, 2647844), (1520, 1323922), (3040, 661961)]