210004640

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{12743}}^1$

素因数の和:12861

約数の個数: 48

約数和(自身を含む): 500992128

約数和(自身を除く): 290987488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1648, 2060, 3296, 4120, 8240, 12743, 16480, 25486, 50972, 63715, 101944, 127430, 203888, 254860, 407776, 509720, 1019440, 1312529, 2038880, 2625058, 5250116, 6562645, 10500232, 13125290, 21000464, 26250580, 42000928, 52501160, 105002320, 210004640]

約数ペア:

[(1, 210004640), (2, 105002320), (4, 52501160), (5, 42000928), (8, 26250580), (10, 21000464), (16, 13125290), (20, 10500232), (32, 6562645), (40, 5250116), (80, 2625058), (103, 2038880), (160, 1312529), (206, 1019440), (412, 509720), (515, 407776), (824, 254860), (1030, 203888), (1648, 127430), (2060, 101944), (3296, 63715), (4120, 50972), (8240, 25486), (12743, 16480)]