25720900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 59621184

約数和(自身を除く): 33900284

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 53, 92, 100, 106, 115, 211, 212, 230, 265, 422, 460, 530, 575, 844, 1055, 1060, 1150, 1219, 1325, 2110, 2300, 2438, 2650, 4220, 4853, 4876, 5275, 5300, 6095, 9706, 10550, 11183, 12190, 19412, 21100, 22366, 24265, 24380, 30475, 44732, 48530, 55915, 60950, 97060, 111830, 121325, 121900, 223660, 242650, 257209, 279575, 485300, 514418, 559150, 1028836, 1118300, 1286045, 2572090, 5144180, 6430225, 12860450, 25720900]

約数ペア:

[(1, 25720900), (2, 12860450), (4, 6430225), (5, 5144180), (10, 2572090), (20, 1286045), (23, 1118300), (25, 1028836), (46, 559150), (50, 514418), (53, 485300), (92, 279575), (100, 257209), (106, 242650), (115, 223660), (211, 121900), (212, 121325), (230, 111830), (265, 97060), (422, 60950), (460, 55915), (530, 48530), (575, 44732), (844, 30475), (1055, 24380), (1060, 24265), (1150, 22366), (1219, 21100), (1325, 19412), (2110, 12190), (2300, 11183), (2438, 10550), (2650, 9706), (4220, 6095), (4853, 5300), (4876, 5275)]