2644038400

素因数分解:

$2^8\times 5^2\times {\mathrm{127}}^1\times {\mathrm{3253}}^1$

素因数の和:3406

約数の個数: 108

約数和(自身を含む): 6597966592

約数和(自身を除く): 3953928192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 127, 128, 160, 200, 254, 256, 320, 400, 508, 635, 640, 800, 1016, 1270, 1280, 1600, 2032, 2540, 3175, 3200, 3253, 4064, 5080, 6350, 6400, 6506, 8128, 10160, 12700, 13012, 16256, 16265, 20320, 25400, 26024, 32512, 32530, 40640, 50800, 52048, 65060, 81280, 81325, 101600, 104096, 130120, 162560, 162650, 203200, 208192, 260240, 325300, 406400, 413131, 416384, 520480, 650600, 812800, 826262, 832768, 1040960, 1301200, 1652524, 2065655, 2081920, 2602400, 3305048, 4131310, 4163840, 5204800, 6610096, 8262620, 10328275, 10409600, 13220192, 16525240, 20656550, 20819200, 26440384, 33050480, 41313100, 52880768, 66100960, 82626200, 105761536, 132201920, 165252400, 264403840, 330504800, 528807680, 661009600, 1322019200, 2644038400]

約数ペア:

[(1, 2644038400), (2, 1322019200), (4, 661009600), (5, 528807680), (8, 330504800), (10, 264403840), (16, 165252400), (20, 132201920), (25, 105761536), (32, 82626200), (40, 66100960), (50, 52880768), (64, 41313100), (80, 33050480), (100, 26440384), (127, 20819200), (128, 20656550), (160, 16525240), (200, 13220192), (254, 10409600), (256, 10328275), (320, 8262620), (400, 6610096), (508, 5204800), (635, 4163840), (640, 4131310), (800, 3305048), (1016, 2602400), (1270, 2081920), (1280, 2065655), (1600, 1652524), (2032, 1301200), (2540, 1040960), (3175, 832768), (3200, 826262), (3253, 812800), (4064, 650600), (5080, 520480), (6350, 416384), (6400, 413131), (6506, 406400), (8128, 325300), (10160, 260240), (12700, 208192), (13012, 203200), (16256, 162650), (16265, 162560), (20320, 130120), (25400, 104096), (26024, 101600), (32512, 81325), (32530, 81280), (40640, 65060), (50800, 52048)]