28543360

素因数分解:

$2^7\times 5^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 69058080

約数和(自身を除く): 40514720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 320, 412, 433, 515, 640, 824, 866, 1030, 1648, 1732, 2060, 2165, 3296, 3464, 4120, 4330, 6592, 6928, 8240, 8660, 13184, 13856, 16480, 17320, 27712, 32960, 34640, 44599, 55424, 65920, 69280, 89198, 138560, 178396, 222995, 277120, 356792, 445990, 713584, 891980, 1427168, 1783960, 2854336, 3567920, 5708672, 7135840, 14271680, 28543360]

約数ペア:

[(1, 28543360), (2, 14271680), (4, 7135840), (5, 5708672), (8, 3567920), (10, 2854336), (16, 1783960), (20, 1427168), (32, 891980), (40, 713584), (64, 445990), (80, 356792), (103, 277120), (128, 222995), (160, 178396), (206, 138560), (320, 89198), (412, 69280), (433, 65920), (515, 55424), (640, 44599), (824, 34640), (866, 32960), (1030, 27712), (1648, 17320), (1732, 16480), (2060, 13856), (2165, 13184), (3296, 8660), (3464, 8240), (4120, 6928), (4330, 6592)]