66251920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{16901}}^1$

素因数の和:16928

約数の個数: 60

約数和(自身を含む): 179195004

約数和(自身を除く): 112943084

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 16901, 33802, 67604, 84505, 118307, 135208, 169010, 236614, 270416, 338020, 473228, 591535, 676040, 828149, 946456, 1183070, 1352080, 1656298, 1892912, 2366140, 3312596, 4140745, 4732280, 6625192, 8281490, 9464560, 13250384, 16562980, 33125960, 66251920]

約数ペア:

[(1, 66251920), (2, 33125960), (4, 16562980), (5, 13250384), (7, 9464560), (8, 8281490), (10, 6625192), (14, 4732280), (16, 4140745), (20, 3312596), (28, 2366140), (35, 1892912), (40, 1656298), (49, 1352080), (56, 1183070), (70, 946456), (80, 828149), (98, 676040), (112, 591535), (140, 473228), (196, 338020), (245, 270416), (280, 236614), (392, 169010), (490, 135208), (560, 118307), (784, 84505), (980, 67604), (1960, 33802), (3920, 16901)]