71628050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{419}}^1$

素因数の和:707

約数の個数: 48

約数和(自身を含む): 144365760

約数和(自身を除く): 72737710

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 263, 325, 419, 526, 650, 838, 1315, 2095, 2630, 3419, 4190, 5447, 6575, 6838, 10475, 10894, 13150, 17095, 20950, 27235, 34190, 54470, 85475, 110197, 136175, 170950, 220394, 272350, 550985, 1101970, 1432561, 2754925, 2865122, 5509850, 7162805, 14325610, 35814025, 71628050]

約数ペア:

[(1, 71628050), (2, 35814025), (5, 14325610), (10, 7162805), (13, 5509850), (25, 2865122), (26, 2754925), (50, 1432561), (65, 1101970), (130, 550985), (263, 272350), (325, 220394), (419, 170950), (526, 136175), (650, 110197), (838, 85475), (1315, 54470), (2095, 34190), (2630, 27235), (3419, 20950), (4190, 17095), (5447, 13150), (6575, 10894), (6838, 10475)]