161192020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{1669}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 370339200

約数和(自身を除く): 209147180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 439, 878, 1669, 1756, 2195, 3338, 4390, 4829, 6676, 8345, 8780, 9658, 16690, 18359, 19316, 24145, 33380, 36718, 48290, 73436, 91795, 96580, 183590, 367180, 732691, 1465382, 2930764, 3663455, 7326910, 8059601, 14653820, 16119202, 32238404, 40298005, 80596010, 161192020]

約数ペア:

[(1, 161192020), (2, 80596010), (4, 40298005), (5, 32238404), (10, 16119202), (11, 14653820), (20, 8059601), (22, 7326910), (44, 3663455), (55, 2930764), (110, 1465382), (220, 732691), (439, 367180), (878, 183590), (1669, 96580), (1756, 91795), (2195, 73436), (3338, 48290), (4390, 36718), (4829, 33380), (6676, 24145), (8345, 19316), (8780, 18359), (9658, 16690)]