42880625

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 40

約数和(自身を含む): 59231040

約数和(自身を除く): 16350415

約数列:

[1, 5, 19, 23, 25, 95, 115, 125, 157, 437, 475, 575, 625, 785, 2185, 2375, 2875, 2983, 3611, 3925, 10925, 11875, 14375, 14915, 18055, 19625, 54625, 68609, 74575, 90275, 98125, 273125, 343045, 372875, 451375, 1715225, 1864375, 2256875, 8576125, 42880625]

約数ペア:

[(1, 42880625), (5, 8576125), (19, 2256875), (23, 1864375), (25, 1715225), (95, 451375), (115, 372875), (125, 343045), (157, 273125), (437, 98125), (475, 90275), (575, 74575), (625, 68609), (785, 54625), (2185, 19625), (2375, 18055), (2875, 14915), (2983, 14375), (3611, 11875), (3925, 10925)]