140437760

素因数分解:

$2^8\times 5^1\times {\mathrm{109717}}^1$

素因数の和:109738

約数の個数: 36

約数和(自身を含む): 336395388

約数和(自身を除く): 195957628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 109717, 219434, 438868, 548585, 877736, 1097170, 1755472, 2194340, 3510944, 4388680, 7021888, 8777360, 14043776, 17554720, 28087552, 35109440, 70218880, 140437760]

約数ペア:

[(1, 140437760), (2, 70218880), (4, 35109440), (5, 28087552), (8, 17554720), (10, 14043776), (16, 8777360), (20, 7021888), (32, 4388680), (40, 3510944), (64, 2194340), (80, 1755472), (128, 1097170), (160, 877736), (256, 548585), (320, 438868), (640, 219434), (1280, 109717)]