80956625

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 107827200

約数和(自身を除く): 26870575

約数列:

[1, 5, 19, 25, 89, 95, 125, 383, 445, 475, 1691, 1915, 2225, 2375, 7277, 8455, 9575, 11125, 34087, 36385, 42275, 47875, 170435, 181925, 211375, 647653, 852175, 909625, 3238265, 4260875, 16191325, 80956625]

約数ペア:

[(1, 80956625), (5, 16191325), (19, 4260875), (25, 3238265), (89, 909625), (95, 852175), (125, 647653), (383, 211375), (445, 181925), (475, 170435), (1691, 47875), (1915, 42275), (2225, 36385), (2375, 34087), (7277, 11125), (8455, 9575)]