28555520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{3187}}^1$

素因数の和:3215

約数の個数: 72

約数和(自身を含む): 78195264

約数和(自身を除く): 49639744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 3187, 4480, 6374, 8960, 12748, 15935, 22309, 25496, 31870, 44618, 50992, 63740, 89236, 101984, 111545, 127480, 178472, 203968, 223090, 254960, 356944, 407936, 446180, 509920, 713888, 815872, 892360, 1019840, 1427776, 1784720, 2039680, 2855552, 3569440, 4079360, 5711104, 7138880, 14277760, 28555520]

約数ペア:

[(1, 28555520), (2, 14277760), (4, 7138880), (5, 5711104), (7, 4079360), (8, 3569440), (10, 2855552), (14, 2039680), (16, 1784720), (20, 1427776), (28, 1019840), (32, 892360), (35, 815872), (40, 713888), (56, 509920), (64, 446180), (70, 407936), (80, 356944), (112, 254960), (128, 223090), (140, 203968), (160, 178472), (224, 127480), (256, 111545), (280, 101984), (320, 89236), (448, 63740), (560, 50992), (640, 44618), (896, 31870), (1120, 25496), (1280, 22309), (1792, 15935), (2240, 12748), (3187, 8960), (4480, 6374)]