260642240

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4093}}^1$

素因数の和:4309

約数の個数: 56

約数和(自身を含む): 623925600

約数和(自身を除く): 363283360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 320, 398, 796, 995, 1592, 1990, 3184, 3980, 4093, 6368, 7960, 8186, 12736, 15920, 16372, 20465, 31840, 32744, 40930, 63680, 65488, 81860, 130976, 163720, 261952, 327440, 654880, 814507, 1309760, 1629014, 3258028, 4072535, 6516056, 8145070, 13032112, 16290140, 26064224, 32580280, 52128448, 65160560, 130321120, 260642240]

約数ペア:

[(1, 260642240), (2, 130321120), (4, 65160560), (5, 52128448), (8, 32580280), (10, 26064224), (16, 16290140), (20, 13032112), (32, 8145070), (40, 6516056), (64, 4072535), (80, 3258028), (160, 1629014), (199, 1309760), (320, 814507), (398, 654880), (796, 327440), (995, 261952), (1592, 163720), (1990, 130976), (3184, 81860), (3980, 65488), (4093, 63680), (6368, 40930), (7960, 32744), (8186, 31840), (12736, 20465), (15920, 16372)]