205597760

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5059}}^1$

素因数の和:5203

約数の個数: 56

約数和(自身を含む): 493532160

約数和(自身を除く): 287934400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 2032, 2540, 4064, 5059, 5080, 8128, 10118, 10160, 20236, 20320, 25295, 40472, 40640, 50590, 80944, 101180, 161888, 202360, 323776, 404720, 642493, 809440, 1284986, 1618880, 2569972, 3212465, 5139944, 6424930, 10279888, 12849860, 20559776, 25699720, 41119552, 51399440, 102798880, 205597760]

約数ペア:

[(1, 205597760), (2, 102798880), (4, 51399440), (5, 41119552), (8, 25699720), (10, 20559776), (16, 12849860), (20, 10279888), (32, 6424930), (40, 5139944), (64, 3212465), (80, 2569972), (127, 1618880), (160, 1284986), (254, 809440), (320, 642493), (508, 404720), (635, 323776), (1016, 202360), (1270, 161888), (2032, 101180), (2540, 80944), (4064, 50590), (5059, 40640), (5080, 40472), (8128, 25295), (10118, 20320), (10160, 20236)]