2099693320

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{271981}}^1$

素因数の和:272185

約数の個数: 32

約数和(自身を含む): 4748805720

約数和(自身を除く): 2649112400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 271981, 543962, 1087924, 1359905, 2175848, 2719810, 5439620, 10879240, 52492333, 104984666, 209969332, 262461665, 419938664, 524923330, 1049846660, 2099693320]

約数ペア:

[(1, 2099693320), (2, 1049846660), (4, 524923330), (5, 419938664), (8, 262461665), (10, 209969332), (20, 104984666), (40, 52492333), (193, 10879240), (386, 5439620), (772, 2719810), (965, 2175848), (1544, 1359905), (1930, 1087924), (3860, 543962), (7720, 271981)]