40628720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:498

約数の個数: 80

約数和(自身を含む): 104109408

約数和(自身を除く): 63480688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 137, 176, 220, 274, 337, 440, 548, 674, 685, 880, 1096, 1348, 1370, 1507, 1685, 2192, 2696, 2740, 3014, 3370, 3707, 5392, 5480, 6028, 6740, 7414, 7535, 10960, 12056, 13480, 14828, 15070, 18535, 24112, 26960, 29656, 30140, 37070, 46169, 59312, 60280, 74140, 92338, 120560, 148280, 184676, 230845, 296560, 369352, 461690, 507859, 738704, 923380, 1015718, 1846760, 2031436, 2539295, 3693520, 4062872, 5078590, 8125744, 10157180, 20314360, 40628720]

約数ペア:

[(1, 40628720), (2, 20314360), (4, 10157180), (5, 8125744), (8, 5078590), (10, 4062872), (11, 3693520), (16, 2539295), (20, 2031436), (22, 1846760), (40, 1015718), (44, 923380), (55, 738704), (80, 507859), (88, 461690), (110, 369352), (137, 296560), (176, 230845), (220, 184676), (274, 148280), (337, 120560), (440, 92338), (548, 74140), (674, 60280), (685, 59312), (880, 46169), (1096, 37070), (1348, 30140), (1370, 29656), (1507, 26960), (1685, 24112), (2192, 18535), (2696, 15070), (2740, 14828), (3014, 13480), (3370, 12056), (3707, 10960), (5392, 7535), (5480, 7414), (6028, 6740)]