204528020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{12799}}^1$

素因数の和:12872

約数の個数: 48

約数和(自身を含む): 464486400

約数和(自身を除く): 259958380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 3196, 3995, 7990, 12799, 15980, 25598, 51196, 63995, 127990, 217583, 255980, 435166, 601553, 870332, 1087915, 1203106, 2175830, 2406212, 3007765, 4351660, 6015530, 10226401, 12031060, 20452802, 40905604, 51132005, 102264010, 204528020]

約数ペア:

[(1, 204528020), (2, 102264010), (4, 51132005), (5, 40905604), (10, 20452802), (17, 12031060), (20, 10226401), (34, 6015530), (47, 4351660), (68, 3007765), (85, 2406212), (94, 2175830), (170, 1203106), (188, 1087915), (235, 870332), (340, 601553), (470, 435166), (799, 255980), (940, 217583), (1598, 127990), (3196, 63995), (3995, 51196), (7990, 25598), (12799, 15980)]