39430400

素因数分解:

$2^8\times 5^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:188

約数の個数: 108

約数和(自身を含む): 100178484

約数和(自身を除く): 60748084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 101, 122, 128, 160, 200, 202, 244, 256, 305, 320, 400, 404, 488, 505, 610, 640, 800, 808, 976, 1010, 1220, 1280, 1525, 1600, 1616, 1952, 2020, 2440, 2525, 3050, 3200, 3232, 3904, 4040, 4880, 5050, 6100, 6161, 6400, 6464, 7808, 8080, 9760, 10100, 12200, 12322, 12928, 15616, 16160, 19520, 20200, 24400, 24644, 25856, 30805, 32320, 39040, 40400, 48800, 49288, 61610, 64640, 78080, 80800, 97600, 98576, 123220, 129280, 154025, 161600, 195200, 197152, 246440, 308050, 323200, 390400, 394304, 492880, 616100, 646400, 788608, 985760, 1232200, 1577216, 1971520, 2464400, 3943040, 4928800, 7886080, 9857600, 19715200, 39430400]

約数ペア:

[(1, 39430400), (2, 19715200), (4, 9857600), (5, 7886080), (8, 4928800), (10, 3943040), (16, 2464400), (20, 1971520), (25, 1577216), (32, 1232200), (40, 985760), (50, 788608), (61, 646400), (64, 616100), (80, 492880), (100, 394304), (101, 390400), (122, 323200), (128, 308050), (160, 246440), (200, 197152), (202, 195200), (244, 161600), (256, 154025), (305, 129280), (320, 123220), (400, 98576), (404, 97600), (488, 80800), (505, 78080), (610, 64640), (640, 61610), (800, 49288), (808, 48800), (976, 40400), (1010, 39040), (1220, 32320), (1280, 30805), (1525, 25856), (1600, 24644), (1616, 24400), (1952, 20200), (2020, 19520), (2440, 16160), (2525, 15616), (3050, 12928), (3200, 12322), (3232, 12200), (3904, 10100), (4040, 9760), (4880, 8080), (5050, 7808), (6100, 6464), (6161, 6400)]