78635540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{5641}}^1$

素因数の和:5708

約数の個数: 48

約数和(自身を含む): 179144784

約数和(自身を除く): 100509244

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 3485, 5641, 6970, 11282, 13940, 22564, 28205, 56410, 95897, 112820, 191794, 231281, 383588, 462562, 479485, 925124, 958970, 1156405, 1917940, 2312810, 3931777, 4625620, 7863554, 15727108, 19658885, 39317770, 78635540]

約数ペア:

[(1, 78635540), (2, 39317770), (4, 19658885), (5, 15727108), (10, 7863554), (17, 4625620), (20, 3931777), (34, 2312810), (41, 1917940), (68, 1156405), (82, 958970), (85, 925124), (164, 479485), (170, 462562), (205, 383588), (340, 231281), (410, 191794), (697, 112820), (820, 95897), (1394, 56410), (2788, 28205), (3485, 22564), (5641, 13940), (6970, 11282)]