38401280

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1579}}^1$

素因数の和:1619

約数の個数: 72

約数和(自身を含む): 96885600

約数和(自身を除く): 58484320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 1579, 2432, 3040, 3158, 4864, 6080, 6316, 7895, 12160, 12632, 15790, 24320, 25264, 30001, 31580, 50528, 60002, 63160, 101056, 120004, 126320, 150005, 202112, 240008, 252640, 300010, 404224, 480016, 505280, 600020, 960032, 1010560, 1200040, 1920064, 2021120, 2400080, 3840128, 4800160, 7680256, 9600320, 19200640, 38401280]

約数ペア:

[(1, 38401280), (2, 19200640), (4, 9600320), (5, 7680256), (8, 4800160), (10, 3840128), (16, 2400080), (19, 2021120), (20, 1920064), (32, 1200040), (38, 1010560), (40, 960032), (64, 600020), (76, 505280), (80, 480016), (95, 404224), (128, 300010), (152, 252640), (160, 240008), (190, 202112), (256, 150005), (304, 126320), (320, 120004), (380, 101056), (608, 63160), (640, 60002), (760, 50528), (1216, 31580), (1280, 30001), (1520, 25264), (1579, 24320), (2432, 15790), (3040, 12632), (3158, 12160), (4864, 7895), (6080, 6316)]