82075520

素因数分解:

$2^7\times 5^1\times {\mathrm{257}}^1\times {\mathrm{499}}^1$

素因数の和:775

約数の個数: 64

約数和(自身を含む): 197370000

約数和(自身を除く): 115294480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 257, 320, 499, 514, 640, 998, 1028, 1285, 1996, 2056, 2495, 2570, 3992, 4112, 4990, 5140, 7984, 8224, 9980, 10280, 15968, 16448, 19960, 20560, 31936, 32896, 39920, 41120, 63872, 79840, 82240, 128243, 159680, 164480, 256486, 319360, 512972, 641215, 1025944, 1282430, 2051888, 2564860, 4103776, 5129720, 8207552, 10259440, 16415104, 20518880, 41037760, 82075520]

約数ペア:

[(1, 82075520), (2, 41037760), (4, 20518880), (5, 16415104), (8, 10259440), (10, 8207552), (16, 5129720), (20, 4103776), (32, 2564860), (40, 2051888), (64, 1282430), (80, 1025944), (128, 641215), (160, 512972), (257, 319360), (320, 256486), (499, 164480), (514, 159680), (640, 128243), (998, 82240), (1028, 79840), (1285, 63872), (1996, 41120), (2056, 39920), (2495, 32896), (2570, 31936), (3992, 20560), (4112, 19960), (4990, 16448), (5140, 15968), (7984, 10280), (8224, 9980)]