17419380625

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{28181}}^1$

素因数の和:28267

約数の個数: 40

約数和(自身を含む): 23242709952

約数和(自身を除く): 5823329327

約数列:

[1, 5, 23, 25, 43, 115, 125, 215, 575, 625, 989, 1075, 2875, 4945, 5375, 14375, 24725, 26875, 28181, 123625, 140905, 618125, 648163, 704525, 1211783, 3240815, 3522625, 6058915, 16204075, 17613125, 27871009, 30294575, 81020375, 139355045, 151472875, 405101875, 696775225, 757364375, 3483876125, 17419380625]

約数ペア:

[(1, 17419380625), (5, 3483876125), (23, 757364375), (25, 696775225), (43, 405101875), (115, 151472875), (125, 139355045), (215, 81020375), (575, 30294575), (625, 27871009), (989, 17613125), (1075, 16204075), (2875, 6058915), (4945, 3522625), (5375, 3240815), (14375, 1211783), (24725, 704525), (26875, 648163), (28181, 618125), (123625, 140905)]