199166480

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{19603}}^1$

素因数の和:19743

約数の個数: 40

約数和(自身を含む): 466732032

約数和(自身を除く): 267565552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 19603, 39206, 78412, 98015, 156824, 196030, 313648, 392060, 784120, 1568240, 2489581, 4979162, 9958324, 12447905, 19916648, 24895810, 39833296, 49791620, 99583240, 199166480]

約数ペア:

[(1, 199166480), (2, 99583240), (4, 49791620), (5, 39833296), (8, 24895810), (10, 19916648), (16, 12447905), (20, 9958324), (40, 4979162), (80, 2489581), (127, 1568240), (254, 784120), (508, 392060), (635, 313648), (1016, 196030), (1270, 156824), (2032, 98015), (2540, 78412), (5080, 39206), (10160, 19603)]