27891620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2531}}^1$

素因数の和:2588

約数の個数: 48

約数和(自身を含む): 63806400

約数和(自身を除く): 35914780

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2531, 2755, 5062, 5510, 10124, 11020, 12655, 25310, 48089, 50620, 73399, 96178, 146798, 192356, 240445, 293596, 366995, 480890, 733990, 961780, 1394581, 1467980, 2789162, 5578324, 6972905, 13945810, 27891620]

約数ペア:

[(1, 27891620), (2, 13945810), (4, 6972905), (5, 5578324), (10, 2789162), (19, 1467980), (20, 1394581), (29, 961780), (38, 733990), (58, 480890), (76, 366995), (95, 293596), (116, 240445), (145, 192356), (190, 146798), (290, 96178), (380, 73399), (551, 50620), (580, 48089), (1102, 25310), (2204, 12655), (2531, 11020), (2755, 10124), (5062, 5510)]