15310625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 40

約数和(自身を含む): 22267872

約数和(自身を除く): 6957247

約数列:

[1, 5, 11, 17, 25, 55, 85, 125, 131, 187, 275, 425, 625, 655, 935, 1375, 1441, 2125, 2227, 3275, 4675, 6875, 7205, 10625, 11135, 16375, 23375, 24497, 36025, 55675, 81875, 116875, 122485, 180125, 278375, 612425, 900625, 1391875, 3062125, 15310625]

約数ペア:

[(1, 15310625), (5, 3062125), (11, 1391875), (17, 900625), (25, 612425), (55, 278375), (85, 180125), (125, 122485), (131, 116875), (187, 81875), (275, 55675), (425, 36025), (625, 24497), (655, 23375), (935, 16375), (1375, 11135), (1441, 10625), (2125, 7205), (2227, 6875), (3275, 4675)]