2019912880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{22013}}^1$

素因数の和:22094

約数の個数: 80

約数和(自身を含む): 4979038464

約数和(自身を除く): 2959125584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 1147, 1240, 1480, 2294, 2480, 2960, 4588, 5735, 9176, 11470, 18352, 22013, 22940, 44026, 45880, 88052, 91760, 110065, 176104, 220130, 352208, 440260, 682403, 814481, 880520, 1364806, 1628962, 1761040, 2729612, 3257924, 3412015, 4072405, 5459224, 6515848, 6824030, 8144810, 10918448, 13031696, 13648060, 16289620, 25248911, 27296120, 32579240, 50497822, 54592240, 65158480, 100995644, 126244555, 201991288, 252489110, 403982576, 504978220, 1009956440, 2019912880]

約数ペア:

[(1, 2019912880), (2, 1009956440), (4, 504978220), (5, 403982576), (8, 252489110), (10, 201991288), (16, 126244555), (20, 100995644), (31, 65158480), (37, 54592240), (40, 50497822), (62, 32579240), (74, 27296120), (80, 25248911), (124, 16289620), (148, 13648060), (155, 13031696), (185, 10918448), (248, 8144810), (296, 6824030), (310, 6515848), (370, 5459224), (496, 4072405), (592, 3412015), (620, 3257924), (740, 2729612), (1147, 1761040), (1240, 1628962), (1480, 1364806), (2294, 880520), (2480, 814481), (2960, 682403), (4588, 440260), (5735, 352208), (9176, 220130), (11470, 176104), (18352, 110065), (22013, 91760), (22940, 88052), (44026, 45880)]