79991240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12421}}^1$

素因数の和:12462

約数の個数: 64

約数和(自身を含む): 214652160

約数和(自身を除く): 134660920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 12421, 24842, 49684, 62105, 86947, 99368, 124210, 173894, 248420, 285683, 347788, 434735, 496840, 571366, 695576, 869470, 1142732, 1428415, 1738940, 1999781, 2285464, 2856830, 3477880, 3999562, 5713660, 7999124, 9998905, 11427320, 15998248, 19997810, 39995620, 79991240]

約数ペア:

[(1, 79991240), (2, 39995620), (4, 19997810), (5, 15998248), (7, 11427320), (8, 9998905), (10, 7999124), (14, 5713660), (20, 3999562), (23, 3477880), (28, 2856830), (35, 2285464), (40, 1999781), (46, 1738940), (56, 1428415), (70, 1142732), (92, 869470), (115, 695576), (140, 571366), (161, 496840), (184, 434735), (230, 347788), (280, 285683), (322, 248420), (460, 173894), (644, 124210), (805, 99368), (920, 86947), (1288, 62105), (1610, 49684), (3220, 24842), (6440, 12421)]