55001980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 134447040

約数和(自身を除く): 79445060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 37, 44, 55, 58, 74, 110, 116, 145, 148, 185, 220, 233, 290, 319, 370, 407, 466, 580, 638, 740, 814, 932, 1073, 1165, 1276, 1595, 1628, 2035, 2146, 2330, 2563, 3190, 4070, 4292, 4660, 5126, 5365, 6380, 6757, 8140, 8621, 10252, 10730, 11803, 12815, 13514, 17242, 21460, 23606, 25630, 27028, 33785, 34484, 43105, 47212, 51260, 59015, 67570, 74327, 86210, 94831, 118030, 135140, 148654, 172420, 189662, 236060, 250009, 297308, 371635, 379324, 474155, 500018, 743270, 948310, 1000036, 1250045, 1486540, 1896620, 2500090, 2750099, 5000180, 5500198, 11000396, 13750495, 27500990, 55001980]

約数ペア:

[(1, 55001980), (2, 27500990), (4, 13750495), (5, 11000396), (10, 5500198), (11, 5000180), (20, 2750099), (22, 2500090), (29, 1896620), (37, 1486540), (44, 1250045), (55, 1000036), (58, 948310), (74, 743270), (110, 500018), (116, 474155), (145, 379324), (148, 371635), (185, 297308), (220, 250009), (233, 236060), (290, 189662), (319, 172420), (370, 148654), (407, 135140), (466, 118030), (580, 94831), (638, 86210), (740, 74327), (814, 67570), (932, 59015), (1073, 51260), (1165, 47212), (1276, 43105), (1595, 34484), (1628, 33785), (2035, 27028), (2146, 25630), (2330, 23606), (2563, 21460), (3190, 17242), (4070, 13514), (4292, 12815), (4660, 11803), (5126, 10730), (5365, 10252), (6380, 8621), (6757, 8140)]