80437240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 199879920

約数和(自身を除く): 119442680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 163, 169, 260, 292, 326, 338, 365, 520, 584, 652, 676, 730, 815, 845, 949, 1304, 1352, 1460, 1630, 1690, 1898, 2119, 2920, 3260, 3380, 3796, 4238, 4745, 6520, 6760, 7592, 8476, 9490, 10595, 11899, 12337, 16952, 18980, 21190, 23798, 24674, 27547, 37960, 42380, 47596, 49348, 55094, 59495, 61685, 84760, 95192, 98696, 110188, 118990, 123370, 137735, 154687, 220376, 237980, 246740, 275470, 309374, 475960, 493480, 550940, 618748, 773435, 1101880, 1237496, 1546870, 2010931, 3093740, 4021862, 6187480, 8043724, 10054655, 16087448, 20109310, 40218620, 80437240]

約数ペア:

[(1, 80437240), (2, 40218620), (4, 20109310), (5, 16087448), (8, 10054655), (10, 8043724), (13, 6187480), (20, 4021862), (26, 3093740), (40, 2010931), (52, 1546870), (65, 1237496), (73, 1101880), (104, 773435), (130, 618748), (146, 550940), (163, 493480), (169, 475960), (260, 309374), (292, 275470), (326, 246740), (338, 237980), (365, 220376), (520, 154687), (584, 137735), (652, 123370), (676, 118990), (730, 110188), (815, 98696), (845, 95192), (949, 84760), (1304, 61685), (1352, 59495), (1460, 55094), (1630, 49348), (1690, 47596), (1898, 42380), (2119, 37960), (2920, 27547), (3260, 24674), (3380, 23798), (3796, 21190), (4238, 18980), (4745, 16952), (6520, 12337), (6760, 11899), (7592, 10595), (8476, 9490)]