40905808

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1489}}^1$

素因数の和:1615

約数の個数: 40

約数和(自身を含む): 84804840

約数和(自身を除く): 43899032

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 101, 136, 202, 272, 404, 808, 1489, 1616, 1717, 2978, 3434, 5956, 6868, 11912, 13736, 23824, 25313, 27472, 50626, 101252, 150389, 202504, 300778, 405008, 601556, 1203112, 2406224, 2556613, 5113226, 10226452, 20452904, 40905808]

約数ペア:

[(1, 40905808), (2, 20452904), (4, 10226452), (8, 5113226), (16, 2556613), (17, 2406224), (34, 1203112), (68, 601556), (101, 405008), (136, 300778), (202, 202504), (272, 150389), (404, 101252), (808, 50626), (1489, 27472), (1616, 25313), (1717, 23824), (2978, 13736), (3434, 11912), (5956, 6868)]