5148400

素因数分解:

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

素因数の和:290

約数の個数: 60

約数和(自身を含む): 12631384

約数和(自身を除く): 7482984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 211, 244, 305, 400, 422, 488, 610, 844, 976, 1055, 1220, 1525, 1688, 2110, 2440, 3050, 3376, 4220, 4880, 5275, 6100, 8440, 10550, 12200, 12871, 16880, 21100, 24400, 25742, 42200, 51484, 64355, 84400, 102968, 128710, 205936, 257420, 321775, 514840, 643550, 1029680, 1287100, 2574200, 5148400]

約数ペア:

[(1, 5148400), (2, 2574200), (4, 1287100), (5, 1029680), (8, 643550), (10, 514840), (16, 321775), (20, 257420), (25, 205936), (40, 128710), (50, 102968), (61, 84400), (80, 64355), (100, 51484), (122, 42200), (200, 25742), (211, 24400), (244, 21100), (305, 16880), (400, 12871), (422, 12200), (488, 10550), (610, 8440), (844, 6100), (976, 5275), (1055, 4880), (1220, 4220), (1525, 3376), (1688, 3050), (2110, 2440)]