201025520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109253}}^1$

素因数の和:109289

約数の個数: 40

約数和(自身を含む): 487709856

約数和(自身を除く): 286684336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 109253, 218506, 437012, 546265, 874024, 1092530, 1748048, 2185060, 2512819, 4370120, 5025638, 8740240, 10051276, 12564095, 20102552, 25128190, 40205104, 50256380, 100512760, 201025520]

約数ペア:

[(1, 201025520), (2, 100512760), (4, 50256380), (5, 40205104), (8, 25128190), (10, 20102552), (16, 12564095), (20, 10051276), (23, 8740240), (40, 5025638), (46, 4370120), (80, 2512819), (92, 2185060), (115, 1748048), (184, 1092530), (230, 874024), (368, 546265), (460, 437012), (920, 218506), (1840, 109253)]