64355000

素因数分解:

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

素因数の和:298

約数の個数: 80

約数和(自身を含む): 153981960

約数和(自身を除く): 89626960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 125, 200, 211, 244, 250, 305, 422, 488, 500, 610, 625, 844, 1000, 1055, 1220, 1250, 1525, 1688, 2110, 2440, 2500, 3050, 4220, 5000, 5275, 6100, 7625, 8440, 10550, 12200, 12871, 15250, 21100, 25742, 26375, 30500, 38125, 42200, 51484, 52750, 61000, 64355, 76250, 102968, 105500, 128710, 131875, 152500, 211000, 257420, 263750, 305000, 321775, 514840, 527500, 643550, 1055000, 1287100, 1608875, 2574200, 3217750, 6435500, 8044375, 12871000, 16088750, 32177500, 64355000]

約数ペア:

[(1, 64355000), (2, 32177500), (4, 16088750), (5, 12871000), (8, 8044375), (10, 6435500), (20, 3217750), (25, 2574200), (40, 1608875), (50, 1287100), (61, 1055000), (100, 643550), (122, 527500), (125, 514840), (200, 321775), (211, 305000), (244, 263750), (250, 257420), (305, 211000), (422, 152500), (488, 131875), (500, 128710), (610, 105500), (625, 102968), (844, 76250), (1000, 64355), (1055, 61000), (1220, 52750), (1250, 51484), (1525, 42200), (1688, 38125), (2110, 30500), (2440, 26375), (2500, 25742), (3050, 21100), (4220, 15250), (5000, 12871), (5275, 12200), (6100, 10550), (7625, 8440)]