66426040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 154742400

約数和(自身を除く): 88316360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 89, 94, 178, 188, 235, 356, 376, 397, 445, 470, 712, 794, 890, 940, 1588, 1780, 1880, 1985, 3176, 3560, 3970, 4183, 7940, 8366, 15880, 16732, 18659, 20915, 33464, 35333, 37318, 41830, 70666, 74636, 83660, 93295, 141332, 149272, 167320, 176665, 186590, 282664, 353330, 373180, 706660, 746360, 1413320, 1660651, 3321302, 6642604, 8303255, 13285208, 16606510, 33213020, 66426040]

約数ペア:

[(1, 66426040), (2, 33213020), (4, 16606510), (5, 13285208), (8, 8303255), (10, 6642604), (20, 3321302), (40, 1660651), (47, 1413320), (89, 746360), (94, 706660), (178, 373180), (188, 353330), (235, 282664), (356, 186590), (376, 176665), (397, 167320), (445, 149272), (470, 141332), (712, 93295), (794, 83660), (890, 74636), (940, 70666), (1588, 41830), (1780, 37318), (1880, 35333), (1985, 33464), (3176, 20915), (3560, 18659), (3970, 16732), (4183, 15880), (7940, 8366)]