80105860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2749}}^1$

素因数の和:2836

約数の個数: 48

約数和(自身を含む): 177408000

約数和(自身を除く): 97302140

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 620, 940, 1457, 2749, 2914, 5498, 5828, 7285, 10996, 13745, 14570, 27490, 29140, 54980, 85219, 129203, 170438, 258406, 340876, 426095, 516812, 646015, 852190, 1292030, 1704380, 2584060, 4005293, 8010586, 16021172, 20026465, 40052930, 80105860]

約数ペア:

[(1, 80105860), (2, 40052930), (4, 20026465), (5, 16021172), (10, 8010586), (20, 4005293), (31, 2584060), (47, 1704380), (62, 1292030), (94, 852190), (124, 646015), (155, 516812), (188, 426095), (235, 340876), (310, 258406), (470, 170438), (620, 129203), (940, 85219), (1457, 54980), (2749, 29140), (2914, 27490), (5498, 14570), (5828, 13745), (7285, 10996)]