41666620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 96012000

約数和(自身を除く): 54345380

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 199, 290, 361, 380, 398, 551, 580, 722, 796, 995, 1102, 1444, 1805, 1990, 2204, 2755, 3610, 3781, 3980, 5510, 5771, 7220, 7562, 10469, 11020, 11542, 15124, 18905, 20938, 23084, 28855, 37810, 41876, 52345, 57710, 71839, 75620, 104690, 109649, 115420, 143678, 209380, 219298, 287356, 359195, 438596, 548245, 718390, 1096490, 1436780, 2083331, 2192980, 4166662, 8333324, 10416655, 20833310, 41666620]

約数ペア:

[(1, 41666620), (2, 20833310), (4, 10416655), (5, 8333324), (10, 4166662), (19, 2192980), (20, 2083331), (29, 1436780), (38, 1096490), (58, 718390), (76, 548245), (95, 438596), (116, 359195), (145, 287356), (190, 219298), (199, 209380), (290, 143678), (361, 115420), (380, 109649), (398, 104690), (551, 75620), (580, 71839), (722, 57710), (796, 52345), (995, 41876), (1102, 37810), (1444, 28855), (1805, 23084), (1990, 20938), (2204, 18905), (2755, 15124), (3610, 11542), (3781, 11020), (3980, 10469), (5510, 7562), (5771, 7220)]