142635520

素因数分解:

$2^9\times 5^1\times {\mathrm{55717}}^1$

素因数の和:55740

約数の個数: 40

約数和(自身を含む): 341997084

約数和(自身を除く): 199361564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 55717, 111434, 222868, 278585, 445736, 557170, 891472, 1114340, 1782944, 2228680, 3565888, 4457360, 7131776, 8914720, 14263552, 17829440, 28527104, 35658880, 71317760, 142635520]

約数ペア:

[(1, 142635520), (2, 71317760), (4, 35658880), (5, 28527104), (8, 17829440), (10, 14263552), (16, 8914720), (20, 7131776), (32, 4457360), (40, 3565888), (64, 2228680), (80, 1782944), (128, 1114340), (160, 891472), (256, 557170), (320, 445736), (512, 278585), (640, 222868), (1280, 111434), (2560, 55717)]