40465280

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2749}}^1$

素因数の和:2791

約数の個数: 64

約数和(自身を含む): 100980000

約数和(自身を除く): 60514720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2749, 2944, 3680, 5498, 7360, 10996, 13745, 14720, 21992, 27490, 43984, 54980, 63227, 87968, 109960, 126454, 175936, 219920, 252908, 316135, 351872, 439840, 505816, 632270, 879680, 1011632, 1264540, 1759360, 2023264, 2529080, 4046528, 5058160, 8093056, 10116320, 20232640, 40465280]

約数ペア:

[(1, 40465280), (2, 20232640), (4, 10116320), (5, 8093056), (8, 5058160), (10, 4046528), (16, 2529080), (20, 2023264), (23, 1759360), (32, 1264540), (40, 1011632), (46, 879680), (64, 632270), (80, 505816), (92, 439840), (115, 351872), (128, 316135), (160, 252908), (184, 219920), (230, 175936), (320, 126454), (368, 109960), (460, 87968), (640, 63227), (736, 54980), (920, 43984), (1472, 27490), (1840, 21992), (2749, 14720), (2944, 13745), (3680, 10996), (5498, 7360)]