268522120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163733}}^1$

素因数の和:163785

約数の個数: 32

約数和(自身を含む): 618914520

約数和(自身を除く): 350392400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 163733, 327466, 654932, 818665, 1309864, 1637330, 3274660, 6549320, 6713053, 13426106, 26852212, 33565265, 53704424, 67130530, 134261060, 268522120]

約数ペア:

[(1, 268522120), (2, 134261060), (4, 67130530), (5, 53704424), (8, 33565265), (10, 26852212), (20, 13426106), (40, 6713053), (41, 6549320), (82, 3274660), (164, 1637330), (205, 1309864), (328, 818665), (410, 654932), (820, 327466), (1640, 163733)]