28627640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 71491680

約数和(自身を除く): 42864040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 37, 40, 46, 58, 74, 92, 115, 116, 145, 148, 184, 185, 230, 232, 290, 296, 370, 460, 580, 667, 740, 841, 851, 920, 1073, 1160, 1334, 1480, 1682, 1702, 2146, 2668, 3335, 3364, 3404, 4205, 4255, 4292, 5336, 5365, 6670, 6728, 6808, 8410, 8510, 8584, 10730, 13340, 16820, 17020, 19343, 21460, 24679, 26680, 31117, 33640, 34040, 38686, 42920, 49358, 62234, 77372, 96715, 98716, 123395, 124468, 154744, 155585, 193430, 197432, 246790, 248936, 311170, 386860, 493580, 622340, 715691, 773720, 987160, 1244680, 1431382, 2862764, 3578455, 5725528, 7156910, 14313820, 28627640]

約数ペア:

[(1, 28627640), (2, 14313820), (4, 7156910), (5, 5725528), (8, 3578455), (10, 2862764), (20, 1431382), (23, 1244680), (29, 987160), (37, 773720), (40, 715691), (46, 622340), (58, 493580), (74, 386860), (92, 311170), (115, 248936), (116, 246790), (145, 197432), (148, 193430), (184, 155585), (185, 154744), (230, 124468), (232, 123395), (290, 98716), (296, 96715), (370, 77372), (460, 62234), (580, 49358), (667, 42920), (740, 38686), (841, 34040), (851, 33640), (920, 31117), (1073, 26680), (1160, 24679), (1334, 21460), (1480, 19343), (1682, 17020), (1702, 16820), (2146, 13340), (2668, 10730), (3335, 8584), (3364, 8510), (3404, 8410), (4205, 6808), (4255, 6728), (4292, 6670), (5336, 5365)]