38462120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{467}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 90979200

約数和(自身を除く): 52517080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 71, 116, 142, 145, 232, 284, 290, 355, 467, 568, 580, 710, 934, 1160, 1420, 1868, 2059, 2335, 2840, 3736, 4118, 4670, 8236, 9340, 10295, 13543, 16472, 18680, 20590, 27086, 33157, 41180, 54172, 66314, 67715, 82360, 108344, 132628, 135430, 165785, 265256, 270860, 331570, 541720, 663140, 961553, 1326280, 1923106, 3846212, 4807765, 7692424, 9615530, 19231060, 38462120]

約数ペア:

[(1, 38462120), (2, 19231060), (4, 9615530), (5, 7692424), (8, 4807765), (10, 3846212), (20, 1923106), (29, 1326280), (40, 961553), (58, 663140), (71, 541720), (116, 331570), (142, 270860), (145, 265256), (232, 165785), (284, 135430), (290, 132628), (355, 108344), (467, 82360), (568, 67715), (580, 66314), (710, 54172), (934, 41180), (1160, 33157), (1420, 27086), (1868, 20590), (2059, 18680), (2335, 16472), (2840, 13543), (3736, 10295), (4118, 9340), (4670, 8236)]