28196540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{653}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 63286272

約数和(自身を除く): 35089732

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 127, 170, 254, 340, 508, 635, 653, 1270, 1306, 2159, 2540, 2612, 3265, 4318, 6530, 8636, 10795, 11101, 13060, 21590, 22202, 43180, 44404, 55505, 82931, 111010, 165862, 222020, 331724, 414655, 829310, 1409827, 1658620, 2819654, 5639308, 7049135, 14098270, 28196540]

約数ペア:

[(1, 28196540), (2, 14098270), (4, 7049135), (5, 5639308), (10, 2819654), (17, 1658620), (20, 1409827), (34, 829310), (68, 414655), (85, 331724), (127, 222020), (170, 165862), (254, 111010), (340, 82931), (508, 55505), (635, 44404), (653, 43180), (1270, 22202), (1306, 21590), (2159, 13060), (2540, 11101), (2612, 10795), (3265, 8636), (4318, 6530)]