80025625

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:355

約数の個数: 40

約数和(自身を含む): 110214720

約数和(自身を除く): 30189095

約数列:

[1, 5, 19, 23, 25, 95, 115, 125, 293, 437, 475, 575, 625, 1465, 2185, 2375, 2875, 5567, 6739, 7325, 10925, 11875, 14375, 27835, 33695, 36625, 54625, 128041, 139175, 168475, 183125, 273125, 640205, 695875, 842375, 3201025, 3479375, 4211875, 16005125, 80025625]

約数ペア:

[(1, 80025625), (5, 16005125), (19, 4211875), (23, 3479375), (25, 3201025), (95, 842375), (115, 695875), (125, 640205), (293, 273125), (437, 183125), (475, 168475), (575, 139175), (625, 128041), (1465, 54625), (2185, 36625), (2375, 33695), (2875, 27835), (5567, 14375), (6739, 11875), (7325, 10925)]