67375625

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 40

約数和(自身を含む): 90720960

約数和(自身を除く): 23345335

約数列:

[1, 5, 23, 25, 43, 109, 115, 125, 215, 545, 575, 625, 989, 1075, 2507, 2725, 2875, 4687, 4945, 5375, 12535, 13625, 14375, 23435, 24725, 26875, 62675, 68125, 107801, 117175, 123625, 313375, 539005, 585875, 618125, 1566875, 2695025, 2929375, 13475125, 67375625]

約数ペア:

[(1, 67375625), (5, 13475125), (23, 2929375), (25, 2695025), (43, 1566875), (109, 618125), (115, 585875), (125, 539005), (215, 313375), (545, 123625), (575, 117175), (625, 107801), (989, 68125), (1075, 62675), (2507, 26875), (2725, 24725), (2875, 23435), (4687, 14375), (4945, 13625), (5375, 12535)]