100665440

素因数分解:

$2^5\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2239}}^1$

素因数の和:2535

約数の個数: 48

約数和(自身を含む): 238775040

約数和(自身を除く): 138109600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 281, 562, 1124, 1405, 2239, 2248, 2810, 4478, 4496, 5620, 8956, 8992, 11195, 11240, 17912, 22390, 22480, 35824, 44780, 44960, 71648, 89560, 179120, 358240, 629159, 1258318, 2516636, 3145795, 5033272, 6291590, 10066544, 12583180, 20133088, 25166360, 50332720, 100665440]

約数ペア:

[(1, 100665440), (2, 50332720), (4, 25166360), (5, 20133088), (8, 12583180), (10, 10066544), (16, 6291590), (20, 5033272), (32, 3145795), (40, 2516636), (80, 1258318), (160, 629159), (281, 358240), (562, 179120), (1124, 89560), (1405, 71648), (2239, 44960), (2248, 44780), (2810, 35824), (4478, 22480), (4496, 22390), (5620, 17912), (8956, 11240), (8992, 11195)]