66001280

素因数分解:

$2^7\times 5^1\times {\mathrm{281}}^1\times {\mathrm{367}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 158777280

約数和(自身を除く): 92776000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 281, 320, 367, 562, 640, 734, 1124, 1405, 1468, 1835, 2248, 2810, 2936, 3670, 4496, 5620, 5872, 7340, 8992, 11240, 11744, 14680, 17984, 22480, 23488, 29360, 35968, 44960, 46976, 58720, 89920, 103127, 117440, 179840, 206254, 234880, 412508, 515635, 825016, 1031270, 1650032, 2062540, 3300064, 4125080, 6600128, 8250160, 13200256, 16500320, 33000640, 66001280]

約数ペア:

[(1, 66001280), (2, 33000640), (4, 16500320), (5, 13200256), (8, 8250160), (10, 6600128), (16, 4125080), (20, 3300064), (32, 2062540), (40, 1650032), (64, 1031270), (80, 825016), (128, 515635), (160, 412508), (281, 234880), (320, 206254), (367, 179840), (562, 117440), (640, 103127), (734, 89920), (1124, 58720), (1405, 46976), (1468, 44960), (1835, 35968), (2248, 29360), (2810, 23488), (2936, 22480), (3670, 17984), (4496, 14680), (5620, 11744), (5872, 11240), (7340, 8992)]