65148580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{9901}}^1$

素因数の和:9964

約数の個数: 48

約数和(自身を含む): 159699456

約数和(自身を除く): 94550876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 9901, 19802, 39604, 49505, 69307, 99010, 138614, 198020, 277228, 346535, 465347, 693070, 930694, 1386140, 1861388, 2326735, 3257429, 4653470, 6514858, 9306940, 13029716, 16287145, 32574290, 65148580]

約数ペア:

[(1, 65148580), (2, 32574290), (4, 16287145), (5, 13029716), (7, 9306940), (10, 6514858), (14, 4653470), (20, 3257429), (28, 2326735), (35, 1861388), (47, 1386140), (70, 930694), (94, 693070), (140, 465347), (188, 346535), (235, 277228), (329, 198020), (470, 138614), (658, 99010), (940, 69307), (1316, 49505), (1645, 39604), (3290, 19802), (6580, 9901)]