56420056720

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{919}}^1\times {\mathrm{2731}}^1$

素因数の和:3944

約数の個数: 80

約数和(自身を含む): 131834954880

約数和(自身を除く): 75414898160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 919, 1124, 1405, 1838, 2248, 2731, 2810, 3676, 4496, 4595, 5462, 5620, 7352, 9190, 10924, 11240, 13655, 14704, 18380, 21848, 22480, 27310, 36760, 43696, 54620, 73520, 109240, 218480, 258239, 516478, 767411, 1032956, 1291195, 1534822, 2065912, 2509789, 2582390, 3069644, 3837055, 4131824, 5019578, 5164780, 6139288, 7674110, 10039156, 10329560, 12278576, 12548945, 15348220, 20078312, 20659120, 25097890, 30696440, 40156624, 50195780, 61392880, 100391560, 200783120, 705250709, 1410501418, 2821002836, 3526253545, 5642005672, 7052507090, 11284011344, 14105014180, 28210028360, 56420056720]

約数ペア:

[(1, 56420056720), (2, 28210028360), (4, 14105014180), (5, 11284011344), (8, 7052507090), (10, 5642005672), (16, 3526253545), (20, 2821002836), (40, 1410501418), (80, 705250709), (281, 200783120), (562, 100391560), (919, 61392880), (1124, 50195780), (1405, 40156624), (1838, 30696440), (2248, 25097890), (2731, 20659120), (2810, 20078312), (3676, 15348220), (4496, 12548945), (4595, 12278576), (5462, 10329560), (5620, 10039156), (7352, 7674110), (9190, 6139288), (10924, 5164780), (11240, 5019578), (13655, 4131824), (14704, 3837055), (18380, 3069644), (21848, 2582390), (22480, 2509789), (27310, 2065912), (36760, 1534822), (43696, 1291195), (54620, 1032956), (73520, 767411), (109240, 516478), (218480, 258239)]