204964637560

素因数分解:

$2^3\times 5^1\times {\mathrm{22679}}^1\times {\mathrm{225941}}^1$

素因数の和:248631

約数の個数: 32

約数和(自身を含む): 461192810400

約数和(自身を除く): 256228172840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 22679, 45358, 90716, 113395, 181432, 225941, 226790, 451882, 453580, 903764, 907160, 1129705, 1807528, 2259410, 4518820, 9037640, 5124115939, 10248231878, 20496463756, 25620579695, 40992927512, 51241159390, 102482318780, 204964637560]

約数ペア:

[(1, 204964637560), (2, 102482318780), (4, 51241159390), (5, 40992927512), (8, 25620579695), (10, 20496463756), (20, 10248231878), (40, 5124115939), (22679, 9037640), (45358, 4518820), (90716, 2259410), (113395, 1807528), (181432, 1129705), (225941, 907160), (226790, 903764), (451882, 453580)]