86018980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{587}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 192036096

約数和(自身を除く): 106017116

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 431, 587, 862, 1174, 1724, 2155, 2348, 2935, 4310, 5870, 7327, 8620, 9979, 11740, 14654, 19958, 29308, 36635, 39916, 49895, 73270, 99790, 146540, 199580, 252997, 505994, 1011988, 1264985, 2529970, 4300949, 5059940, 8601898, 17203796, 21504745, 43009490, 86018980]

約数ペア:

[(1, 86018980), (2, 43009490), (4, 21504745), (5, 17203796), (10, 8601898), (17, 5059940), (20, 4300949), (34, 2529970), (68, 1264985), (85, 1011988), (170, 505994), (340, 252997), (431, 199580), (587, 146540), (862, 99790), (1174, 73270), (1724, 49895), (2155, 39916), (2348, 36635), (2935, 29308), (4310, 19958), (5870, 14654), (7327, 11740), (8620, 9979)]