64019840

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1493}}^1$

素因数の和:1579

約数の個数: 64

約数和(自身を含む): 155435760

約数和(自身を除く): 91415920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 640, 670, 1072, 1340, 1493, 2144, 2680, 2986, 4288, 5360, 5972, 7465, 8576, 10720, 11944, 14930, 21440, 23888, 29860, 42880, 47776, 59720, 95552, 100031, 119440, 191104, 200062, 238880, 400124, 477760, 500155, 800248, 955520, 1000310, 1600496, 2000620, 3200992, 4001240, 6401984, 8002480, 12803968, 16004960, 32009920, 64019840]

約数ペア:

[(1, 64019840), (2, 32009920), (4, 16004960), (5, 12803968), (8, 8002480), (10, 6401984), (16, 4001240), (20, 3200992), (32, 2000620), (40, 1600496), (64, 1000310), (67, 955520), (80, 800248), (128, 500155), (134, 477760), (160, 400124), (268, 238880), (320, 200062), (335, 191104), (536, 119440), (640, 100031), (670, 95552), (1072, 59720), (1340, 47776), (1493, 42880), (2144, 29860), (2680, 23888), (2986, 21440), (4288, 14930), (5360, 11944), (5972, 10720), (7465, 8576)]