61695880

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{15901}}^1$

素因数の和:16009

約数の個数: 32

約数和(自身を含む): 140255640

約数和(自身を除く): 78559760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 15901, 31802, 63604, 79505, 127208, 159010, 318020, 636040, 1542397, 3084794, 6169588, 7711985, 12339176, 15423970, 30847940, 61695880]

約数ペア:

[(1, 61695880), (2, 30847940), (4, 15423970), (5, 12339176), (8, 7711985), (10, 6169588), (20, 3084794), (40, 1542397), (97, 636040), (194, 318020), (388, 159010), (485, 127208), (776, 79505), (970, 63604), (1940, 31802), (3880, 15901)]