165904240

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{8677}}^1$

素因数の和:8929

約数の個数: 40

約数和(自身を含む): 387385920

約数和(自身を除く): 221481680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 8677, 9560, 17354, 19120, 34708, 43385, 69416, 86770, 138832, 173540, 347080, 694160, 2073803, 4147606, 8295212, 10369015, 16590424, 20738030, 33180848, 41476060, 82952120, 165904240]

約数ペア:

[(1, 165904240), (2, 82952120), (4, 41476060), (5, 33180848), (8, 20738030), (10, 16590424), (16, 10369015), (20, 8295212), (40, 4147606), (80, 2073803), (239, 694160), (478, 347080), (956, 173540), (1195, 138832), (1912, 86770), (2390, 69416), (3824, 43385), (4780, 34708), (8677, 19120), (9560, 17354)]