27741920

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2089}}^1$

素因数の和:2187

約数の個数: 48

約数和(自身を含む): 66361680

約数和(自身を除く): 38619760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 2089, 2656, 3320, 4178, 6640, 8356, 10445, 13280, 16712, 20890, 33424, 41780, 66848, 83560, 167120, 173387, 334240, 346774, 693548, 866935, 1387096, 1733870, 2774192, 3467740, 5548384, 6935480, 13870960, 27741920]

約数ペア:

[(1, 27741920), (2, 13870960), (4, 6935480), (5, 5548384), (8, 3467740), (10, 2774192), (16, 1733870), (20, 1387096), (32, 866935), (40, 693548), (80, 346774), (83, 334240), (160, 173387), (166, 167120), (332, 83560), (415, 66848), (664, 41780), (830, 33424), (1328, 20890), (1660, 16712), (2089, 13280), (2656, 10445), (3320, 8356), (4178, 6640)]