82165900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 187019280

約数和(自身を除く): 104853380

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 53, 74, 100, 106, 148, 185, 212, 265, 370, 419, 530, 740, 838, 925, 1060, 1325, 1676, 1850, 1961, 2095, 2650, 3700, 3922, 4190, 5300, 7844, 8380, 9805, 10475, 15503, 19610, 20950, 22207, 31006, 39220, 41900, 44414, 49025, 62012, 77515, 88828, 98050, 111035, 155030, 196100, 222070, 310060, 387575, 444140, 555175, 775150, 821659, 1110350, 1550300, 1643318, 2220700, 3286636, 4108295, 8216590, 16433180, 20541475, 41082950, 82165900]

約数ペア:

[(1, 82165900), (2, 41082950), (4, 20541475), (5, 16433180), (10, 8216590), (20, 4108295), (25, 3286636), (37, 2220700), (50, 1643318), (53, 1550300), (74, 1110350), (100, 821659), (106, 775150), (148, 555175), (185, 444140), (212, 387575), (265, 310060), (370, 222070), (419, 196100), (530, 155030), (740, 111035), (838, 98050), (925, 88828), (1060, 77515), (1325, 62012), (1676, 49025), (1850, 44414), (1961, 41900), (2095, 39220), (2650, 31006), (3700, 22207), (3922, 20950), (4190, 19610), (5300, 15503), (7844, 10475), (8380, 9805)]