69830020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{547}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 158534208

約数和(自身を除く): 88704188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 491, 547, 982, 1094, 1964, 2188, 2455, 2735, 4910, 5470, 6383, 7111, 9820, 10940, 12766, 14222, 25532, 28444, 31915, 35555, 63830, 71110, 127660, 142220, 268577, 537154, 1074308, 1342885, 2685770, 3491501, 5371540, 6983002, 13966004, 17457505, 34915010, 69830020]

約数ペア:

[(1, 69830020), (2, 34915010), (4, 17457505), (5, 13966004), (10, 6983002), (13, 5371540), (20, 3491501), (26, 2685770), (52, 1342885), (65, 1074308), (130, 537154), (260, 268577), (491, 142220), (547, 127660), (982, 71110), (1094, 63830), (1964, 35555), (2188, 31915), (2455, 28444), (2735, 25532), (4910, 14222), (5470, 12766), (6383, 10940), (7111, 9820)]