64678580

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{829}}^1$

素因数の和:968

約数の個数: 48

約数和(自身を含む): 140555520

約数和(自身を除く): 75876940

約数列:

[1, 2, 4, 5, 10, 20, 47, 83, 94, 166, 188, 235, 332, 415, 470, 829, 830, 940, 1658, 1660, 3316, 3901, 4145, 7802, 8290, 15604, 16580, 19505, 38963, 39010, 68807, 77926, 78020, 137614, 155852, 194815, 275228, 344035, 389630, 688070, 779260, 1376140, 3233929, 6467858, 12935716, 16169645, 32339290, 64678580]

約数ペア:

[(1, 64678580), (2, 32339290), (4, 16169645), (5, 12935716), (10, 6467858), (20, 3233929), (47, 1376140), (83, 779260), (94, 688070), (166, 389630), (188, 344035), (235, 275228), (332, 194815), (415, 155852), (470, 137614), (829, 78020), (830, 77926), (940, 68807), (1658, 39010), (1660, 38963), (3316, 19505), (3901, 16580), (4145, 15604), (7802, 8290)]