16204040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 38502000

約数和(自身を除く): 22297960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 145, 229, 232, 244, 290, 305, 458, 488, 580, 610, 916, 1145, 1160, 1220, 1769, 1832, 2290, 2440, 3538, 4580, 6641, 7076, 8845, 9160, 13282, 13969, 14152, 17690, 26564, 27938, 33205, 35380, 53128, 55876, 66410, 69845, 70760, 111752, 132820, 139690, 265640, 279380, 405101, 558760, 810202, 1620404, 2025505, 3240808, 4051010, 8102020, 16204040]

約数ペア:

[(1, 16204040), (2, 8102020), (4, 4051010), (5, 3240808), (8, 2025505), (10, 1620404), (20, 810202), (29, 558760), (40, 405101), (58, 279380), (61, 265640), (116, 139690), (122, 132820), (145, 111752), (229, 70760), (232, 69845), (244, 66410), (290, 55876), (305, 53128), (458, 35380), (488, 33205), (580, 27938), (610, 26564), (916, 17690), (1145, 14152), (1160, 13969), (1220, 13282), (1769, 9160), (1832, 8845), (2290, 7076), (2440, 6641), (3538, 4580)]