99481640

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{19583}}^1$

素因数の和:19721

約数の個数: 32

約数和(自身を含む): 225607680

約数和(自身を除く): 126126040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 19583, 39166, 78332, 97915, 156664, 195830, 391660, 783320, 2487041, 4974082, 9948164, 12435205, 19896328, 24870410, 49740820, 99481640]

約数ペア:

[(1, 99481640), (2, 49740820), (4, 24870410), (5, 19896328), (8, 12435205), (10, 9948164), (20, 4974082), (40, 2487041), (127, 783320), (254, 391660), (508, 195830), (635, 156664), (1016, 97915), (1270, 78332), (2540, 39166), (5080, 19583)]