56721080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5741}}^1$

素因数の和:5784

約数の個数: 64

約数和(自身を含む): 144698400

約数和(自身を除く): 87977320

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 5741, 9880, 11482, 22964, 28705, 45928, 57410, 74633, 109079, 114820, 149266, 218158, 229640, 298532, 373165, 436316, 545395, 597064, 746330, 872632, 1090790, 1418027, 1492660, 2181580, 2836054, 2985320, 4363160, 5672108, 7090135, 11344216, 14180270, 28360540, 56721080]

約数ペア:

[(1, 56721080), (2, 28360540), (4, 14180270), (5, 11344216), (8, 7090135), (10, 5672108), (13, 4363160), (19, 2985320), (20, 2836054), (26, 2181580), (38, 1492660), (40, 1418027), (52, 1090790), (65, 872632), (76, 746330), (95, 597064), (104, 545395), (130, 436316), (152, 373165), (190, 298532), (247, 229640), (260, 218158), (380, 149266), (494, 114820), (520, 109079), (760, 74633), (988, 57410), (1235, 45928), (1976, 28705), (2470, 22964), (4940, 11482), (5741, 9880)]