31209408040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{126641}}^1$

素因数の和:126814

約数の個数: 64

約数和(自身を含む): 72079560720

約数和(自身を除く): 40870152680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 101, 122, 202, 244, 305, 404, 488, 505, 610, 808, 1010, 1220, 2020, 2440, 4040, 6161, 12322, 24644, 30805, 49288, 61610, 123220, 126641, 246440, 253282, 506564, 633205, 1013128, 1266410, 2532820, 5065640, 7725101, 12790741, 15450202, 25581482, 30900404, 38625505, 51162964, 61800808, 63953705, 77251010, 102325928, 127907410, 154502020, 255814820, 309004040, 511629640, 780235201, 1560470402, 3120940804, 3901176005, 6241881608, 7802352010, 15604704020, 31209408040]

約数ペア:

[(1, 31209408040), (2, 15604704020), (4, 7802352010), (5, 6241881608), (8, 3901176005), (10, 3120940804), (20, 1560470402), (40, 780235201), (61, 511629640), (101, 309004040), (122, 255814820), (202, 154502020), (244, 127907410), (305, 102325928), (404, 77251010), (488, 63953705), (505, 61800808), (610, 51162964), (808, 38625505), (1010, 30900404), (1220, 25581482), (2020, 15450202), (2440, 12790741), (4040, 7725101), (6161, 5065640), (12322, 2532820), (24644, 1266410), (30805, 1013128), (49288, 633205), (61610, 506564), (123220, 253282), (126641, 246440)]