80897920

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3083}}^1$

素因数の和:3143

約数の個数: 64

約数和(自身を含む): 198177840

約数和(自身を除く): 117279920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1312, 1640, 2624, 3083, 3280, 5248, 6166, 6560, 12332, 13120, 15415, 24664, 26240, 30830, 49328, 61660, 98656, 123320, 126403, 197312, 246640, 252806, 394624, 493280, 505612, 632015, 986560, 1011224, 1264030, 1973120, 2022448, 2528060, 4044896, 5056120, 8089792, 10112240, 16179584, 20224480, 40448960, 80897920]

約数ペア:

[(1, 80897920), (2, 40448960), (4, 20224480), (5, 16179584), (8, 10112240), (10, 8089792), (16, 5056120), (20, 4044896), (32, 2528060), (40, 2022448), (41, 1973120), (64, 1264030), (80, 1011224), (82, 986560), (128, 632015), (160, 505612), (164, 493280), (205, 394624), (320, 252806), (328, 246640), (410, 197312), (640, 126403), (656, 123320), (820, 98656), (1312, 61660), (1640, 49328), (2624, 30830), (3083, 26240), (3280, 24664), (5248, 15415), (6166, 13120), (6560, 12332)]