31258880

素因数分解:

$2^8\times 5^1\times {\mathrm{24421}}^1$

素因数の和:24442

約数の個数: 36

約数和(自身を含む): 74877852

約数和(自身を除く): 43618972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 24421, 48842, 97684, 122105, 195368, 244210, 390736, 488420, 781472, 976840, 1562944, 1953680, 3125888, 3907360, 6251776, 7814720, 15629440, 31258880]

約数ペア:

[(1, 31258880), (2, 15629440), (4, 7814720), (5, 6251776), (8, 3907360), (10, 3125888), (16, 1953680), (20, 1562944), (32, 976840), (40, 781472), (64, 488420), (80, 390736), (128, 244210), (160, 195368), (256, 122105), (320, 97684), (640, 48842), (1280, 24421)]