138827440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{102079}}^1$

素因数の和:102109

約数の個数: 40

約数和(自身を含む): 341763840

約数和(自身を除く): 202936400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 102079, 204158, 408316, 510395, 816632, 1020790, 1633264, 1735343, 2041580, 3470686, 4083160, 6941372, 8166320, 8676715, 13882744, 17353430, 27765488, 34706860, 69413720, 138827440]

約数ペア:

[(1, 138827440), (2, 69413720), (4, 34706860), (5, 27765488), (8, 17353430), (10, 13882744), (16, 8676715), (17, 8166320), (20, 6941372), (34, 4083160), (40, 3470686), (68, 2041580), (80, 1735343), (85, 1633264), (136, 1020790), (170, 816632), (272, 510395), (340, 408316), (680, 204158), (1360, 102079)]