98988880

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{9743}}^1$

素因数の和:9883

約数の個数: 40

約数和(自身を含む): 231985152

約数和(自身を除く): 132996272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 9743, 10160, 19486, 38972, 48715, 77944, 97430, 155888, 194860, 389720, 779440, 1237361, 2474722, 4949444, 6186805, 9898888, 12373610, 19797776, 24747220, 49494440, 98988880]

約数ペア:

[(1, 98988880), (2, 49494440), (4, 24747220), (5, 19797776), (8, 12373610), (10, 9898888), (16, 6186805), (20, 4949444), (40, 2474722), (80, 1237361), (127, 779440), (254, 389720), (508, 194860), (635, 155888), (1016, 97430), (1270, 77944), (2032, 48715), (2540, 38972), (5080, 19486), (9743, 10160)]