89457940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1073

約数の個数: 96

約数和(自身を含む): 228049920

約数和(自身を除く): 138591980

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 31, 44, 52, 55, 62, 65, 110, 124, 130, 143, 155, 220, 260, 286, 310, 341, 403, 572, 620, 682, 715, 806, 1009, 1364, 1430, 1612, 1705, 2015, 2018, 2860, 3410, 4030, 4036, 4433, 5045, 6820, 8060, 8866, 10090, 11099, 13117, 17732, 20180, 22165, 22198, 26234, 31279, 44330, 44396, 52468, 55495, 62558, 65585, 88660, 110990, 125116, 131170, 144287, 156395, 221980, 262340, 288574, 312790, 344069, 406627, 577148, 625580, 688138, 721435, 813254, 1376276, 1442870, 1626508, 1720345, 2033135, 2885740, 3440690, 4066270, 4472897, 6881380, 8132540, 8945794, 17891588, 22364485, 44728970, 89457940]

約数ペア:

[(1, 89457940), (2, 44728970), (4, 22364485), (5, 17891588), (10, 8945794), (11, 8132540), (13, 6881380), (20, 4472897), (22, 4066270), (26, 3440690), (31, 2885740), (44, 2033135), (52, 1720345), (55, 1626508), (62, 1442870), (65, 1376276), (110, 813254), (124, 721435), (130, 688138), (143, 625580), (155, 577148), (220, 406627), (260, 344069), (286, 312790), (310, 288574), (341, 262340), (403, 221980), (572, 156395), (620, 144287), (682, 131170), (715, 125116), (806, 110990), (1009, 88660), (1364, 65585), (1430, 62558), (1612, 55495), (1705, 52468), (2015, 44396), (2018, 44330), (2860, 31279), (3410, 26234), (4030, 22198), (4036, 22165), (4433, 20180), (5045, 17732), (6820, 13117), (8060, 11099), (8866, 10090)]