55218440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{44531}}^1$

素因数の和:44573

約数の個数: 32

約数和(自身を含む): 128252160

約数和(自身を除く): 73033720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 44531, 89062, 178124, 222655, 356248, 445310, 890620, 1380461, 1781240, 2760922, 5521844, 6902305, 11043688, 13804610, 27609220, 55218440]

約数ペア:

[(1, 55218440), (2, 27609220), (4, 13804610), (5, 11043688), (8, 6902305), (10, 5521844), (20, 2760922), (31, 1781240), (40, 1380461), (62, 890620), (124, 445310), (155, 356248), (248, 222655), (310, 178124), (620, 89062), (1240, 44531)]