80568400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{18311}}^1$

素因数の和:18340

約数の個数: 60

約数和(自身を含む): 211173984

約数和(自身を除く): 130605584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 18311, 36622, 73244, 91555, 146488, 183110, 201421, 292976, 366220, 402842, 457775, 732440, 805684, 915550, 1007105, 1464880, 1611368, 1831100, 2014210, 3222736, 3662200, 4028420, 5035525, 7324400, 8056840, 10071050, 16113680, 20142100, 40284200, 80568400]

約数ペア:

[(1, 80568400), (2, 40284200), (4, 20142100), (5, 16113680), (8, 10071050), (10, 8056840), (11, 7324400), (16, 5035525), (20, 4028420), (22, 3662200), (25, 3222736), (40, 2014210), (44, 1831100), (50, 1611368), (55, 1464880), (80, 1007105), (88, 915550), (100, 805684), (110, 732440), (176, 457775), (200, 402842), (220, 366220), (275, 292976), (400, 201421), (440, 183110), (550, 146488), (880, 91555), (1100, 73244), (2200, 36622), (4400, 18311)]