98478980

素因数分解:

$2^2\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{3911}}^1$

素因数の和:5179

約数の個数: 24

約数和(自身を含む): 207023040

約数和(自身を除く): 108544060

約数列:

[1, 2, 4, 5, 10, 20, 1259, 2518, 3911, 5036, 6295, 7822, 12590, 15644, 19555, 25180, 39110, 78220, 4923949, 9847898, 19695796, 24619745, 49239490, 98478980]

約数ペア:

[(1, 98478980), (2, 49239490), (4, 24619745), (5, 19695796), (10, 9847898), (20, 4923949), (1259, 78220), (2518, 39110), (3911, 25180), (5036, 19555), (6295, 15644), (7822, 12590)]