53001250

素因数分解:

$2^1\times 5^4\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:520

約数の個数: 40

約数和(自身を含む): 100514700

約数和(自身を除く): 47513450

約数列:

[1, 2, 5, 10, 25, 50, 109, 125, 218, 250, 389, 545, 625, 778, 1090, 1250, 1945, 2725, 3890, 5450, 9725, 13625, 19450, 27250, 42401, 48625, 68125, 84802, 97250, 136250, 212005, 243125, 424010, 486250, 1060025, 2120050, 5300125, 10600250, 26500625, 53001250]

約数ペア:

[(1, 53001250), (2, 26500625), (5, 10600250), (10, 5300125), (25, 2120050), (50, 1060025), (109, 486250), (125, 424010), (218, 243125), (250, 212005), (389, 136250), (545, 97250), (625, 84802), (778, 68125), (1090, 48625), (1250, 42401), (1945, 27250), (2725, 19450), (3890, 13625), (5450, 9725)]