82399880

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{13121}}^1$

素因数の和:13289

約数の個数: 32

約数和(自身を含む): 186594840

約数和(自身を除く): 104194960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 13121, 26242, 52484, 65605, 104968, 131210, 262420, 524840, 2059997, 4119994, 8239988, 10299985, 16479976, 20599970, 41199940, 82399880]

約数ペア:

[(1, 82399880), (2, 41199940), (4, 20599970), (5, 16479976), (8, 10299985), (10, 8239988), (20, 4119994), (40, 2059997), (157, 524840), (314, 262420), (628, 131210), (785, 104968), (1256, 65605), (1570, 52484), (3140, 26242), (6280, 13121)]