28258920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{78497}}^1$

素因数の和:78514

約数の個数: 48

約数和(自身を含む): 91842660

約数和(自身を除く): 63583740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 78497, 156994, 235491, 313988, 392485, 470982, 627976, 706473, 784970, 941964, 1177455, 1412946, 1569940, 1883928, 2354910, 2825892, 3139880, 3532365, 4709820, 5651784, 7064730, 9419640, 14129460, 28258920]

約数ペア:

[(1, 28258920), (2, 14129460), (3, 9419640), (4, 7064730), (5, 5651784), (6, 4709820), (8, 3532365), (9, 3139880), (10, 2825892), (12, 2354910), (15, 1883928), (18, 1569940), (20, 1412946), (24, 1177455), (30, 941964), (36, 784970), (40, 706473), (45, 627976), (60, 470982), (72, 392485), (90, 313988), (120, 235491), (180, 156994), (360, 78497)]