205020160

素因数分解:

$2^{10}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1741}}^1$

素因数の和:1789

約数の個数: 88

約数和(自身を含む): 513485856

約数和(自身を除く): 308465696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 920, 1024, 1280, 1472, 1741, 1840, 2560, 2944, 3482, 3680, 5120, 5888, 6964, 7360, 8705, 11776, 13928, 14720, 17410, 23552, 27856, 29440, 34820, 40043, 55712, 58880, 69640, 80086, 111424, 117760, 139280, 160172, 200215, 222848, 278560, 320344, 400430, 445696, 557120, 640688, 800860, 891392, 1114240, 1281376, 1601720, 1782784, 2228480, 2562752, 3203440, 4456960, 5125504, 6406880, 8913920, 10251008, 12813760, 20502016, 25627520, 41004032, 51255040, 102510080, 205020160]

約数ペア:

[(1, 205020160), (2, 102510080), (4, 51255040), (5, 41004032), (8, 25627520), (10, 20502016), (16, 12813760), (20, 10251008), (23, 8913920), (32, 6406880), (40, 5125504), (46, 4456960), (64, 3203440), (80, 2562752), (92, 2228480), (115, 1782784), (128, 1601720), (160, 1281376), (184, 1114240), (230, 891392), (256, 800860), (320, 640688), (368, 557120), (460, 445696), (512, 400430), (640, 320344), (736, 278560), (920, 222848), (1024, 200215), (1280, 160172), (1472, 139280), (1741, 117760), (1840, 111424), (2560, 80086), (2944, 69640), (3482, 58880), (3680, 55712), (5120, 40043), (5888, 34820), (6964, 29440), (7360, 27856), (8705, 23552), (11776, 17410), (13928, 14720)]