25742000

素因数分解:

$2^4\times 5^3\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:295

約数の個数: 80

約数和(自身を含む): 63564384

約数和(自身を除く): 37822384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 125, 200, 211, 244, 250, 305, 400, 422, 488, 500, 610, 844, 976, 1000, 1055, 1220, 1525, 1688, 2000, 2110, 2440, 3050, 3376, 4220, 4880, 5275, 6100, 7625, 8440, 10550, 12200, 12871, 15250, 16880, 21100, 24400, 25742, 26375, 30500, 42200, 51484, 52750, 61000, 64355, 84400, 102968, 105500, 122000, 128710, 205936, 211000, 257420, 321775, 422000, 514840, 643550, 1029680, 1287100, 1608875, 2574200, 3217750, 5148400, 6435500, 12871000, 25742000]

約数ペア:

[(1, 25742000), (2, 12871000), (4, 6435500), (5, 5148400), (8, 3217750), (10, 2574200), (16, 1608875), (20, 1287100), (25, 1029680), (40, 643550), (50, 514840), (61, 422000), (80, 321775), (100, 257420), (122, 211000), (125, 205936), (200, 128710), (211, 122000), (244, 105500), (250, 102968), (305, 84400), (400, 64355), (422, 61000), (488, 52750), (500, 51484), (610, 42200), (844, 30500), (976, 26375), (1000, 25742), (1055, 24400), (1220, 21100), (1525, 16880), (1688, 15250), (2000, 12871), (2110, 12200), (2440, 10550), (3050, 8440), (3376, 7625), (4220, 6100), (4880, 5275)]