55760120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{683}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 136170720

約数和(自身を除く): 80410600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 520, 628, 683, 785, 1256, 1366, 1570, 2041, 2732, 3140, 3415, 4082, 5464, 6280, 6830, 8164, 8879, 10205, 13660, 16328, 17758, 20410, 27320, 35516, 40820, 44395, 71032, 81640, 88790, 107231, 177580, 214462, 355160, 428924, 536155, 857848, 1072310, 1394003, 2144620, 2788006, 4289240, 5576012, 6970015, 11152024, 13940030, 27880060, 55760120]

約数ペア:

[(1, 55760120), (2, 27880060), (4, 13940030), (5, 11152024), (8, 6970015), (10, 5576012), (13, 4289240), (20, 2788006), (26, 2144620), (40, 1394003), (52, 1072310), (65, 857848), (104, 536155), (130, 428924), (157, 355160), (260, 214462), (314, 177580), (520, 107231), (628, 88790), (683, 81640), (785, 71032), (1256, 44395), (1366, 40820), (1570, 35516), (2041, 27320), (2732, 20410), (3140, 17758), (3415, 16328), (4082, 13660), (5464, 10205), (6280, 8879), (6830, 8164)]