27880060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{683}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 63546336

約数和(自身を除く): 35666276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 628, 683, 785, 1366, 1570, 2041, 2732, 3140, 3415, 4082, 6830, 8164, 8879, 10205, 13660, 17758, 20410, 35516, 40820, 44395, 88790, 107231, 177580, 214462, 428924, 536155, 1072310, 1394003, 2144620, 2788006, 5576012, 6970015, 13940030, 27880060]

約数ペア:

[(1, 27880060), (2, 13940030), (4, 6970015), (5, 5576012), (10, 2788006), (13, 2144620), (20, 1394003), (26, 1072310), (52, 536155), (65, 428924), (130, 214462), (157, 177580), (260, 107231), (314, 88790), (628, 44395), (683, 40820), (785, 35516), (1366, 20410), (1570, 17758), (2041, 13660), (2732, 10205), (3140, 8879), (3415, 8164), (4082, 6830)]