202005280

素因数分解:

$2^5\times 5^1\times {\mathrm{281}}^1\times {\mathrm{4493}}^1$

素因数の和:4789

約数の個数: 48

約数和(自身を含む): 479042424

約数和(自身を除く): 277037144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 281, 562, 1124, 1405, 2248, 2810, 4493, 4496, 5620, 8986, 8992, 11240, 17972, 22465, 22480, 35944, 44930, 44960, 71888, 89860, 143776, 179720, 359440, 718880, 1262533, 2525066, 5050132, 6312665, 10100264, 12625330, 20200528, 25250660, 40401056, 50501320, 101002640, 202005280]

約数ペア:

[(1, 202005280), (2, 101002640), (4, 50501320), (5, 40401056), (8, 25250660), (10, 20200528), (16, 12625330), (20, 10100264), (32, 6312665), (40, 5050132), (80, 2525066), (160, 1262533), (281, 718880), (562, 359440), (1124, 179720), (1405, 143776), (2248, 89860), (2810, 71888), (4493, 44960), (4496, 44930), (5620, 35944), (8986, 22480), (8992, 22465), (11240, 17972)]