90436040

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{28619}}^1$

素因数の和:28709

約数の個数: 32

約数和(自身を含む): 206064000

約数和(自身を除く): 115627960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 28619, 57238, 114476, 143095, 228952, 286190, 572380, 1144760, 2260901, 4521802, 9043604, 11304505, 18087208, 22609010, 45218020, 90436040]

約数ペア:

[(1, 90436040), (2, 45218020), (4, 22609010), (5, 18087208), (8, 11304505), (10, 9043604), (20, 4521802), (40, 2260901), (79, 1144760), (158, 572380), (316, 286190), (395, 228952), (632, 143095), (790, 114476), (1580, 57238), (3160, 28619)]