164086100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1291}}^1$

素因数の和:1377

約数の個数: 72

約数和(自身を含む): 376809216

約数和(自身を除く): 212723116

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 41, 50, 62, 82, 100, 124, 155, 164, 205, 310, 410, 620, 775, 820, 1025, 1271, 1291, 1550, 2050, 2542, 2582, 3100, 4100, 5084, 5164, 6355, 6455, 12710, 12910, 25420, 25820, 31775, 32275, 40021, 52931, 63550, 64550, 80042, 105862, 127100, 129100, 160084, 200105, 211724, 264655, 400210, 529310, 800420, 1000525, 1058620, 1323275, 1640861, 2001050, 2646550, 3281722, 4002100, 5293100, 6563444, 8204305, 16408610, 32817220, 41021525, 82043050, 164086100]

約数ペア:

[(1, 164086100), (2, 82043050), (4, 41021525), (5, 32817220), (10, 16408610), (20, 8204305), (25, 6563444), (31, 5293100), (41, 4002100), (50, 3281722), (62, 2646550), (82, 2001050), (100, 1640861), (124, 1323275), (155, 1058620), (164, 1000525), (205, 800420), (310, 529310), (410, 400210), (620, 264655), (775, 211724), (820, 200105), (1025, 160084), (1271, 129100), (1291, 127100), (1550, 105862), (2050, 80042), (2542, 64550), (2582, 63550), (3100, 52931), (4100, 40021), (5084, 32275), (5164, 31775), (6355, 25820), (6455, 25420), (12710, 12910)]