51289880

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 119059200

約数和(自身を除く): 67769320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 103, 118, 206, 211, 236, 295, 412, 422, 472, 515, 590, 824, 844, 1030, 1055, 1180, 1688, 2060, 2110, 2360, 4120, 4220, 6077, 8440, 12154, 12449, 21733, 24308, 24898, 30385, 43466, 48616, 49796, 60770, 62245, 86932, 99592, 108665, 121540, 124490, 173864, 217330, 243080, 248980, 434660, 497960, 869320, 1282247, 2564494, 5128988, 6411235, 10257976, 12822470, 25644940, 51289880]

約数ペア:

[(1, 51289880), (2, 25644940), (4, 12822470), (5, 10257976), (8, 6411235), (10, 5128988), (20, 2564494), (40, 1282247), (59, 869320), (103, 497960), (118, 434660), (206, 248980), (211, 243080), (236, 217330), (295, 173864), (412, 124490), (422, 121540), (472, 108665), (515, 99592), (590, 86932), (824, 62245), (844, 60770), (1030, 49796), (1055, 48616), (1180, 43466), (1688, 30385), (2060, 24898), (2110, 24308), (2360, 21733), (4120, 12449), (4220, 12154), (6077, 8440)]