55216580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 128701440

約数和(自身を除く): 73484860

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 37, 58, 62, 74, 83, 116, 124, 145, 148, 155, 166, 185, 290, 310, 332, 370, 415, 580, 620, 740, 830, 899, 1073, 1147, 1660, 1798, 2146, 2294, 2407, 2573, 3071, 3596, 4292, 4495, 4588, 4814, 5146, 5365, 5735, 6142, 8990, 9628, 10292, 10730, 11470, 12035, 12284, 12865, 15355, 17980, 21460, 22940, 24070, 25730, 30710, 33263, 48140, 51460, 61420, 66526, 74617, 89059, 95201, 133052, 149234, 166315, 178118, 190402, 298468, 332630, 356236, 373085, 380804, 445295, 476005, 665260, 746170, 890590, 952010, 1492340, 1781180, 1904020, 2760829, 5521658, 11043316, 13804145, 27608290, 55216580]

約数ペア:

[(1, 55216580), (2, 27608290), (4, 13804145), (5, 11043316), (10, 5521658), (20, 2760829), (29, 1904020), (31, 1781180), (37, 1492340), (58, 952010), (62, 890590), (74, 746170), (83, 665260), (116, 476005), (124, 445295), (145, 380804), (148, 373085), (155, 356236), (166, 332630), (185, 298468), (290, 190402), (310, 178118), (332, 166315), (370, 149234), (415, 133052), (580, 95201), (620, 89059), (740, 74617), (830, 66526), (899, 61420), (1073, 51460), (1147, 48140), (1660, 33263), (1798, 30710), (2146, 25730), (2294, 24070), (2407, 22940), (2573, 21460), (3071, 17980), (3596, 15355), (4292, 12865), (4495, 12284), (4588, 12035), (4814, 11470), (5146, 10730), (5365, 10292), (5735, 9628), (6142, 8990)]