7203920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5297}}^1$

素因数の和:5327

約数の個数: 40

約数和(自身を含む): 17737704

約数和(自身を除く): 10533784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 5297, 10594, 21188, 26485, 42376, 52970, 84752, 90049, 105940, 180098, 211880, 360196, 423760, 450245, 720392, 900490, 1440784, 1800980, 3601960, 7203920]

約数ペア:

[(1, 7203920), (2, 3601960), (4, 1800980), (5, 1440784), (8, 900490), (10, 720392), (16, 450245), (17, 423760), (20, 360196), (34, 211880), (40, 180098), (68, 105940), (80, 90049), (85, 84752), (136, 52970), (170, 42376), (272, 26485), (340, 21188), (680, 10594), (1360, 5297)]