124564120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{72421}}^1$

素因数の和:72475

約数の個数: 32

約数和(自身を含む): 286791120

約数和(自身を除く): 162227000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 72421, 144842, 289684, 362105, 579368, 724210, 1448420, 2896840, 3114103, 6228206, 12456412, 15570515, 24912824, 31141030, 62282060, 124564120]

約数ペア:

[(1, 124564120), (2, 62282060), (4, 31141030), (5, 24912824), (8, 15570515), (10, 12456412), (20, 6228206), (40, 3114103), (43, 2896840), (86, 1448420), (172, 724210), (215, 579368), (344, 362105), (430, 289684), (860, 144842), (1720, 72421)]