82891760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{148021}}^1$

素因数の和:148041

約数の個数: 40

約数和(自身を含む): 220256736

約数和(自身を除く): 137364976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 148021, 296042, 592084, 740105, 1036147, 1184168, 1480210, 2072294, 2368336, 2960420, 4144588, 5180735, 5920840, 8289176, 10361470, 11841680, 16578352, 20722940, 41445880, 82891760]

約数ペア:

[(1, 82891760), (2, 41445880), (4, 20722940), (5, 16578352), (7, 11841680), (8, 10361470), (10, 8289176), (14, 5920840), (16, 5180735), (20, 4144588), (28, 2960420), (35, 2368336), (40, 2072294), (56, 1480210), (70, 1184168), (80, 1036147), (112, 740105), (140, 592084), (280, 296042), (560, 148021)]