55110640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2789}}^1$

素因数の和:2834

約数の個数: 80

約数和(自身を含む): 145303200

約数和(自身を除く): 90192560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 2789, 3952, 4940, 5578, 9880, 11156, 13945, 19760, 22312, 27890, 36257, 44624, 52991, 55780, 72514, 105982, 111560, 145028, 181285, 211964, 223120, 264955, 290056, 362570, 423928, 529910, 580112, 688883, 725140, 847856, 1059820, 1377766, 1450280, 2119640, 2755532, 2900560, 3444415, 4239280, 5511064, 6888830, 11022128, 13777660, 27555320, 55110640]

約数ペア:

[(1, 55110640), (2, 27555320), (4, 13777660), (5, 11022128), (8, 6888830), (10, 5511064), (13, 4239280), (16, 3444415), (19, 2900560), (20, 2755532), (26, 2119640), (38, 1450280), (40, 1377766), (52, 1059820), (65, 847856), (76, 725140), (80, 688883), (95, 580112), (104, 529910), (130, 423928), (152, 362570), (190, 290056), (208, 264955), (247, 223120), (260, 211964), (304, 181285), (380, 145028), (494, 111560), (520, 105982), (760, 72514), (988, 55780), (1040, 52991), (1235, 44624), (1520, 36257), (1976, 27890), (2470, 22312), (2789, 19760), (3952, 13945), (4940, 11156), (5578, 9880)]