55021780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{653}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 126572544

約数和(自身を除く): 71550764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 383, 653, 766, 1306, 1532, 1915, 2612, 3265, 3830, 4213, 6530, 7183, 7660, 8426, 13060, 14366, 16852, 21065, 28732, 35915, 42130, 71830, 84260, 143660, 250099, 500198, 1000396, 1250495, 2500990, 2751089, 5001980, 5502178, 11004356, 13755445, 27510890, 55021780]

約数ペア:

[(1, 55021780), (2, 27510890), (4, 13755445), (5, 11004356), (10, 5502178), (11, 5001980), (20, 2751089), (22, 2500990), (44, 1250495), (55, 1000396), (110, 500198), (220, 250099), (383, 143660), (653, 84260), (766, 71830), (1306, 42130), (1532, 35915), (1915, 28732), (2612, 21065), (3265, 16852), (3830, 14366), (4213, 13060), (6530, 8426), (7183, 7660)]