91372840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{883}}^1$

素因数の和:1106

約数の個数: 64

約数和(自身を含む): 222768000

約数和(自身を除く): 131395160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 199, 260, 398, 520, 796, 883, 995, 1592, 1766, 1990, 2587, 3532, 3980, 4415, 5174, 7064, 7960, 8830, 10348, 11479, 12935, 17660, 20696, 22958, 25870, 35320, 45916, 51740, 57395, 91832, 103480, 114790, 175717, 229580, 351434, 459160, 702868, 878585, 1405736, 1757170, 2284321, 3514340, 4568642, 7028680, 9137284, 11421605, 18274568, 22843210, 45686420, 91372840]

約数ペア:

[(1, 91372840), (2, 45686420), (4, 22843210), (5, 18274568), (8, 11421605), (10, 9137284), (13, 7028680), (20, 4568642), (26, 3514340), (40, 2284321), (52, 1757170), (65, 1405736), (104, 878585), (130, 702868), (199, 459160), (260, 351434), (398, 229580), (520, 175717), (796, 114790), (883, 103480), (995, 91832), (1592, 57395), (1766, 51740), (1990, 45916), (2587, 35320), (3532, 25870), (3980, 22958), (4415, 20696), (5174, 17660), (7064, 12935), (7960, 11479), (8830, 10348)]