80812048060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{20627}}^1$

素因数の和:20827

約数の個数: 96

約数和(自身を含む): 179651727360

約数和(自身を除く): 98839679300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 89, 124, 142, 155, 178, 284, 310, 355, 356, 445, 620, 710, 890, 1420, 1780, 2201, 2759, 4402, 5518, 6319, 8804, 11005, 11036, 12638, 13795, 20627, 22010, 25276, 27590, 31595, 41254, 44020, 55180, 63190, 82508, 103135, 126380, 195889, 206270, 391778, 412540, 639437, 783556, 979445, 1278874, 1464517, 1835803, 1958890, 2557748, 2929034, 3197185, 3671606, 3917780, 5858068, 6394370, 7322585, 7343212, 9179015, 12788740, 14645170, 18358030, 29290340, 36716060, 45400027, 56909893, 90800054, 113819786, 130342013, 181600108, 227000135, 227639572, 260684026, 284549465, 454000270, 521368052, 569098930, 651710065, 908000540, 1138197860, 1303420130, 2606840260, 4040602403, 8081204806, 16162409612, 20203012015, 40406024030, 80812048060]

約数ペア:

[(1, 80812048060), (2, 40406024030), (4, 20203012015), (5, 16162409612), (10, 8081204806), (20, 4040602403), (31, 2606840260), (62, 1303420130), (71, 1138197860), (89, 908000540), (124, 651710065), (142, 569098930), (155, 521368052), (178, 454000270), (284, 284549465), (310, 260684026), (355, 227639572), (356, 227000135), (445, 181600108), (620, 130342013), (710, 113819786), (890, 90800054), (1420, 56909893), (1780, 45400027), (2201, 36716060), (2759, 29290340), (4402, 18358030), (5518, 14645170), (6319, 12788740), (8804, 9179015), (11005, 7343212), (11036, 7322585), (12638, 6394370), (13795, 5858068), (20627, 3917780), (22010, 3671606), (25276, 3197185), (27590, 2929034), (31595, 2557748), (41254, 1958890), (44020, 1835803), (55180, 1464517), (63190, 1278874), (82508, 979445), (103135, 783556), (126380, 639437), (195889, 412540), (206270, 391778)]