29271875

素因数分解:

$5^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:90

約数の個数: 48

約数和(自身を含む): 42184800

約数和(自身を除く): 12912925

約数列:

[1, 5, 17, 19, 25, 29, 85, 95, 125, 145, 323, 425, 475, 493, 551, 625, 725, 1615, 2125, 2375, 2465, 2755, 3125, 3625, 8075, 9367, 10625, 11875, 12325, 13775, 18125, 40375, 46835, 53125, 59375, 61625, 68875, 90625, 201875, 234175, 308125, 344375, 1009375, 1170875, 1540625, 1721875, 5854375, 29271875]

約数ペア:

[(1, 29271875), (5, 5854375), (17, 1721875), (19, 1540625), (25, 1170875), (29, 1009375), (85, 344375), (95, 308125), (125, 234175), (145, 201875), (323, 90625), (425, 68875), (475, 61625), (493, 59375), (551, 53125), (625, 46835), (725, 40375), (1615, 18125), (2125, 13775), (2375, 12325), (2465, 11875), (2755, 10625), (3125, 9367), (3625, 8075)]