55574860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1609}}^1$

素因数の和:1786

約数の個数: 48

約数和(自身を含む): 128207520

約数和(自身を除く): 72632660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 1570, 1609, 1727, 3140, 3218, 3454, 6436, 6908, 8045, 8635, 16090, 17270, 17699, 32180, 34540, 35398, 70796, 88495, 176990, 252613, 353980, 505226, 1010452, 1263065, 2526130, 2778743, 5052260, 5557486, 11114972, 13893715, 27787430, 55574860]

約数ペア:

[(1, 55574860), (2, 27787430), (4, 13893715), (5, 11114972), (10, 5557486), (11, 5052260), (20, 2778743), (22, 2526130), (44, 1263065), (55, 1010452), (110, 505226), (157, 353980), (220, 252613), (314, 176990), (628, 88495), (785, 70796), (1570, 35398), (1609, 34540), (1727, 32180), (3140, 17699), (3218, 17270), (3454, 16090), (6436, 8635), (6908, 8045)]