8380625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:107

約数の個数: 40

約数和(自身を含む): 12146112

約数和(自身を除く): 3765487

約数列:

[1, 5, 11, 23, 25, 53, 55, 115, 125, 253, 265, 275, 575, 583, 625, 1219, 1265, 1325, 1375, 2875, 2915, 6095, 6325, 6625, 6875, 13409, 14375, 14575, 30475, 31625, 33125, 67045, 72875, 152375, 158125, 335225, 364375, 761875, 1676125, 8380625]

約数ペア:

[(1, 8380625), (5, 1676125), (11, 761875), (23, 364375), (25, 335225), (53, 158125), (55, 152375), (115, 72875), (125, 67045), (253, 33125), (265, 31625), (275, 30475), (575, 14575), (583, 14375), (625, 13409), (1219, 6875), (1265, 6625), (1325, 6325), (1375, 6095), (2875, 2915)]