64789292800

素因数分解:

$2^8\times 5^2\times {\mathrm{10123327}}^1$

素因数の和:10123353

約数の個数: 54

約数和(自身を含む): 160363638848

約数和(自身を除く): 95574346048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 10123327, 20246654, 40493308, 50616635, 80986616, 101233270, 161973232, 202466540, 253083175, 323946464, 404933080, 506166350, 647892928, 809866160, 1012332700, 1295785856, 1619732320, 2024665400, 2591571712, 3239464640, 4049330800, 6478929280, 8098661600, 12957858560, 16197323200, 32394646400, 64789292800]

約数ペア:

[(1, 64789292800), (2, 32394646400), (4, 16197323200), (5, 12957858560), (8, 8098661600), (10, 6478929280), (16, 4049330800), (20, 3239464640), (25, 2591571712), (32, 2024665400), (40, 1619732320), (50, 1295785856), (64, 1012332700), (80, 809866160), (100, 647892928), (128, 506166350), (160, 404933080), (200, 323946464), (256, 253083175), (320, 202466540), (400, 161973232), (640, 101233270), (800, 80986616), (1280, 50616635), (1600, 40493308), (3200, 20246654), (6400, 10123327)]