12785600

素因数分解:

$2^6\times 5^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:214

約数の個数: 84

約数和(自身を含む): 32220408

約数和(自身を除く): 19434808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 131, 160, 200, 244, 262, 305, 320, 400, 488, 524, 610, 655, 800, 976, 1048, 1220, 1310, 1525, 1600, 1952, 2096, 2440, 2620, 3050, 3275, 3904, 4192, 4880, 5240, 6100, 6550, 7991, 8384, 9760, 10480, 12200, 13100, 15982, 19520, 20960, 24400, 26200, 31964, 39955, 41920, 48800, 52400, 63928, 79910, 97600, 104800, 127856, 159820, 199775, 209600, 255712, 319640, 399550, 511424, 639280, 799100, 1278560, 1598200, 2557120, 3196400, 6392800, 12785600]

約数ペア:

[(1, 12785600), (2, 6392800), (4, 3196400), (5, 2557120), (8, 1598200), (10, 1278560), (16, 799100), (20, 639280), (25, 511424), (32, 399550), (40, 319640), (50, 255712), (61, 209600), (64, 199775), (80, 159820), (100, 127856), (122, 104800), (131, 97600), (160, 79910), (200, 63928), (244, 52400), (262, 48800), (305, 41920), (320, 39955), (400, 31964), (488, 26200), (524, 24400), (610, 20960), (655, 19520), (800, 15982), (976, 13100), (1048, 12200), (1220, 10480), (1310, 9760), (1525, 8384), (1600, 7991), (1952, 6550), (2096, 6100), (2440, 5240), (2620, 4880), (3050, 4192), (3275, 3904)]