40005120

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{5209}}^1$

素因数の和:5235

約数の個数: 80

約数和(自身を含む): 127915920

約数和(自身を除く): 87910800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 5209, 7680, 10418, 15627, 20836, 26045, 31254, 41672, 52090, 62508, 78135, 83344, 104180, 125016, 156270, 166688, 208360, 250032, 312540, 333376, 416720, 500064, 625080, 666752, 833440, 1000128, 1250160, 1333504, 1666880, 2000256, 2500320, 2667008, 3333760, 4000512, 5000640, 6667520, 8001024, 10001280, 13335040, 20002560, 40005120]

約数ペア:

[(1, 40005120), (2, 20002560), (3, 13335040), (4, 10001280), (5, 8001024), (6, 6667520), (8, 5000640), (10, 4000512), (12, 3333760), (15, 2667008), (16, 2500320), (20, 2000256), (24, 1666880), (30, 1333504), (32, 1250160), (40, 1000128), (48, 833440), (60, 666752), (64, 625080), (80, 500064), (96, 416720), (120, 333376), (128, 312540), (160, 250032), (192, 208360), (240, 166688), (256, 156270), (320, 125016), (384, 104180), (480, 83344), (512, 78135), (640, 62508), (768, 52090), (960, 41672), (1280, 31254), (1536, 26045), (1920, 20836), (2560, 15627), (3840, 10418), (5209, 7680)]