40319180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1399}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 93139200

約数和(自身を除く): 52820020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1399, 1441, 2620, 2798, 2882, 5596, 5764, 6995, 7205, 13990, 14410, 15389, 27980, 28820, 30778, 61556, 76945, 153890, 183269, 307780, 366538, 733076, 916345, 1832690, 2015959, 3665380, 4031918, 8063836, 10079795, 20159590, 40319180]

約数ペア:

[(1, 40319180), (2, 20159590), (4, 10079795), (5, 8063836), (10, 4031918), (11, 3665380), (20, 2015959), (22, 1832690), (44, 916345), (55, 733076), (110, 366538), (131, 307780), (220, 183269), (262, 153890), (524, 76945), (655, 61556), (1310, 30778), (1399, 28820), (1441, 27980), (2620, 15389), (2798, 14410), (2882, 13990), (5596, 7205), (5764, 6995)]